| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $13,500,000 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $2,000,000 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2014 | private lawsuit-federal | $7,250,000 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2010 | private lawsuit-federal | $9,250,000 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2010 | private lawsuit-federal | $12,350,000 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2010 | private lawsuit-federal | $1,525,000 |
| Toyo Tire & Rubber Co., Ltd. | Toyo Tire & Rubber | automotive parts | price-fixing or anti-competitive practices | 2020 | private lawsuit-federal | $11,400,000 |
| Toyo Tire & Rubber Co., Ltd. | Toyo Tire & Rubber | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $36,100,000 |
| Toyoda Gosei Co. Ltd. | Toyoda Gosei | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $34,000,000 |
| Toyoda Gosei Co. Ltd. | Toyoda Gosei | automotive parts | price-fixing or anti-competitive practices | 2020 | private lawsuit-federal | $44,840,000 |
| Toyoda Gosei Co. Ltd. | Toyoda Gosei | automotive parts | price-fixing or anti-competitive practices | 2020 | private lawsuit-federal | $14,160,000 |
| Toyoda Gosei Co. Ltd. | Toyoda Gosei | automotive parts | price-fixing or anti-competitive practices | 2021 | private lawsuit-federal | $7,555,555 |
| Toyoda Gosei Co. Ltd. | Toyoda Gosei | automotive parts | price-fixing or anti-competitive practices | 2020 | private lawsuit-federal | $2,266,667 |
| Toyota Motor Sales U.S.A. Inc. | Toyota | motor vehicles | price-fixing or anti-competitive practices | 2012 | private lawsuit-federal | $35,000,000 |
| Vantec Corporation | Hitachi | diversified | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $9,900,000 |
| Yamada Manufacturing Co. Ltd. | Yamada Manufacturing | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $744,000 |
| Yamada Manufacturing Co. Ltd. | Yamada Manufacturing | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $2,356,000 |
| Yamashita Rubber Co. Ltd. | Yamashita Rubber | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $1,920,000 |
| Yamashita Rubber Co. Ltd. | Yamashita Rubber | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $6,080,000 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2017 | private lawsuit-federal | $212,080,000 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $7,700,000 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2021 | private lawsuit-federal | $220,000 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2016 | private lawsuit-federal | $76,000,000 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2015 | private lawsuit-federal | $23,136,990 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2015 | private lawsuit-federal | $18,510 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2015 | private lawsuit-federal | $844,500 |
| Yazaki Corporation | Yazaki | automotive parts | price-fixing or anti-competitive practices | 2016 | private lawsuit-federal | $1,500,000 |
| Yokohama Rubber Co. Ltd. | Yokohama Rubber | automotive parts | price-fixing or anti-competitive practices | 2010 | private lawsuit-federal | $1,950,000 |
| Yusen Air & Sea Service Co., Ltd. | Yusen Logistics | freight and logistics | price-fixing or anti-competitive practices | 2015 | private lawsuit-federal | $11,111,111 |
| Takeda Pharmaceuticals | Takeda Pharmaceutical | pharmaceuticals | benefit plan administrator violation | 2023 | private lawsuit-federal | $22,000,000 |
| American Honda Finance Corp. | Honda | motor vehicles | consumer protection violation | 2019 | private lawsuit-federal | $21,744,278 |
| American Honda Motor Company | Honda | motor vehicles | consumer protection violation | 2012 | private lawsuit-state | $170,000,000 |
| American Honda Motor Company | Honda | motor vehicles | consumer protection violation | 2010 | private lawsuit-federal | $7,500,000 |
| Kawasaki Heavy Industries Ltd. | Kawasaki Heavy Industries | diversified | consumer protection violation | 2010 | private lawsuit-federal | $3,000,000 |
| Nissan North America, Inc. | Nissan | motor vehicles | consumer protection violation | 2017 | private lawsuit-federal | $800,000 |
| Pharmavite LLC | Otsuka Pharmaceutical | pharmaceuticals | consumer protection violation | 2017 | private lawsuit-federal | $10,975,000 |
| Sony Interactive Entertainment America LLC | Sony | electrical and electronic equipment | consumer protection violation | 2018 | private lawsuit-federal | $3,750,000 |
| Norinchukin Bank | Norinchukin Bank | financial services | price-fixing or anti-competitive practices | 2023 | private lawsuit-federal | $449,000 |
| Norinchukin Bank | Norinchukin Bank | financial services | price-fixing or anti-competitive practices | 2023 | private lawsuit-federal | $30,000,000 |
| Sony Pictures Entertainment | Sony | electrical and electronic equipment | privacy violation | 2024 | private lawsuit-federal | $16,000,000 |
| All Nippon Airways Co., Ltd. | All Nippon Airways (ANA) | airlines | aviation consumer protection violation | 2002 | ACPD | $10,000 |
| Japan Airlines Company, Ltd. | Japan Airlines | airlines | aviation consumer protection violation | 2002 | ACPD | $65,000 |
| All Nippon Airways | All Nippon Airways (ANA) | airlines | aviation consumer protection violation | 2018 | ACPD | $90,000 |
| Japan Airlines | Japan Airlines | airlines | aviation consumer protection violation | 2019 | ACPD | $300,000 |
| Takeda Pharmaceuticals | Takeda Pharmaceutical | pharmaceuticals | False Claims Act and related | 2008 | AL-AG | $2,000,000 |
| Joy Global Conveyors | Komatsu | heavy equipment | air pollution violation | 2020 | AL-ENV | $50,000 |
| Honda Manufacturing of Alabama | Honda | motor vehicles | air pollution violation | 2018 | AL-ENV | $12,000 |
| Daikin America Inc. | Daikin | miscellaneous manufacturing | air pollution violation | 2005 | AL-ENV | $10,000 |
| Daikin America Inc. | Daikin | miscellaneous manufacturing | air pollution violation | 2005 | AL-ENV | $5,000 |
| Mitsubishi Polysilicon | Mitsubishi Materials | building materials | air pollution violation | 2004 | AL-ENV | $15,000 |
| Honda Mfg. of Alabama, LLC | Honda | motor vehicles | air pollution violation | 2004 | AL-ENV | $50,000 |
| Honda Manufacturing of Alabama, LLC | Honda | motor vehicles | environmental violation | 2003 | AL-ENV | $11,700 |
| Speedway Superamerica LLC | Seven & I Holdings | retailing | air pollution violation | 2001 | AL-ENV | $5,000 |
| Daikin America, Inc. | Daikin | miscellaneous manufacturing | air pollution violation | 2000 | AL-ENV | $10,000 |
| TAP Pharmaceutical Products, Inc. | Takeda Pharmaceutical | pharmaceuticals | False Claims Act and related | 2001 | AR-AG | $525,780 |
| Toyobo Corp. | Toyobo | miscellaneous manufacturing | consumer protection violation | 2006 | AR-AG | $427,000 |
| Hino Motors Manufacturing U.S.A., Inc | Toyota | motor vehicles | environmental violation | 2018 | AR-ENV | $6,500 |
| American Honda Motor Company, Inc. | Honda | motor vehicles | motor vehicle safety violation | 2020 | AZ-AG | $5,000,000 |
| Kintetsu World Express (U.S.A.), Inc. | Kintetsu World Express | freight and logistics | export control violation | 2014 | BIS | $30,000 |
| Nippon Express U.S.A. Inc. | Nippon Express | freight and logistics | export control violation | 2006 | BIS | $17,000 |
| Fujitsu Network Communications, Inc. | Fujitsu | information technology | export control violation | 2004 | BIS | $125,000 |
| Ebara International Corporation | Ebara | industrial equipment | export control violation | 2004 | BIS | $121,000 |
| Mitsui Plastics, Inc. | Mitsui | diversified | export control violation | 2018 | BIS | $28,600 |
| Mitsubishi International Corporation | Mitsubishi Corporation | diversified | export control violation | 2019 | BIS | $5,000 |
| Mitsubishi International PolymerTrade Corporation | Mitsubishi Corporation | diversified | export control violation | 2019 | BIS | $15,000 |
| JX Nippon Oil Exploration (U.S.A.) Limited | ENEOS Holdings | oil and gas | oil or gas drilling violation | 2011 | BSEE | $25,000 |
| Forest Oil Corp. | Osaka Gas | oil and gas | oil or gas drilling violation | 2009 | BSEE | $440,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2008 | BSEE | $60,000 |
| Forest Oil Corp. | Osaka Gas | oil and gas | oil or gas drilling violation | 2008 | BSEE | $35,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2007 | BSEE | $80,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2007 | BSEE | $30,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2007 | BSEE | $80,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2006 | BSEE | $45,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2005 | BSEE | $10,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2005 | BSEE | $64,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2005 | BSEE | $20,000 |
| Forest Oil Corporation | Osaka Gas | oil and gas | oil or gas drilling violation | 2005 | BSEE | $30,000 |
| Daiichi Pharmaceutical | Daiichi Sankyo | pharmaceuticals | price-fixing or anti-competitive practices | 2000 | CA-AG | $1,446,700 |
| Eisai Co. | Eisai | pharmaceuticals | price-fixing or anti-competitive practices | 2000 | CA-AG | $2,544,900 |
| Hitachi Ltd. | Hitachi | diversified | price-fixing or anti-competitive practices | 2016 | CA-AG | $625,000 |
| Panasonic Corporation | Panasonic | electrical and electronic equipment | price-fixing or anti-competitive practices | 2016 | CA-AG | $1,100,000 |
| SONY BMG Music Entertainment | Sony | electrical and electronic equipment | consumer protection violation | 2006 | CA-AG | $750,000 |
| Takeda Chemical | Takeda Pharmaceutical | pharmaceuticals | price-fixing or anti-competitive practices | 2000 | CA-AG | $5,850,550 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | price-fixing or anti-competitive practices | 2016 | CA-AG | $875,000 |
| Toshiba Corporation | Toshiba | electrical and electronic equipment | False Claims Act and related | 2000 | CA-AG | $30,130,000 |
| American Honda Motor Company, Inc. | Honda | motor vehicles | product safety violation | 2020 | CA-AG | $11,375,000 |
| Kawasaki Motors Corp., U.S.A. | Kawasaki Heavy Industries | diversified | air pollution violation | 2020 | CA-ARB | $160,000 |
| Mitsubishi Turbocharger and Engine America Inc. | Mitsubishi Heavy Industries | diversified | air pollution violation | 2020 | CA-ARB | $7,750 |
| Mitsui OSK Lines, LTD | Mitsui | diversified | air pollution violation | 2020 | CA-ARB | $10,000 |
| American Honda Motor Co., Inc. | Honda | motor vehicles | air pollution violation | 2020 | CA-ARB | $1,927,800 |
| 7-Eleven Inc. | Seven & I Holdings | retailing | air pollution violation | 2020 | CA-ARB | $15,000 |
| Mitsui OSK Lines, LTD | Mitsui | diversified | air pollution violation | 2020 | CA-ARB | $253,300 |
| Kawasaki Motors Corp., USA | Kawasaki Heavy Industries | diversified | air pollution violation | 2019 | CA-ARB | $180,250 |
| Kao USA Inc. | Kao Corporation | chemicals | air pollution violation | 2017 | CA-ARB | $100,000 |
| American Honda Motor Co., Inc. | Honda | motor vehicles | air pollution violation | 2016 | CA-ARB | $1,037,100 |
| Mitsubishi Engine North America | Mitsubishi Heavy Industries | diversified | air pollution violation | 2016 | CA-ARB | $20,625 |
| Idemitsu Apollo Corporation | Idemitsu Kosan | oil and gas | air pollution violation | 2014 | CA-ARB | $42,700 |
| Mitsubishi Engine North America, Inc. | Mitsubishi Heavy Industries | diversified | air pollution violation | 2013 | CA-ARB | $20,000 |
| Nippon Yusen Kaisha (NYK Line) | Nippon Yusen Kaisha (NYK Line) | freight and logistics | air pollution violation | 2013 | CA-ARB | $10,000 |
| Yamaha Motor Corporation, U.S.A. | Yamaha Motor | motor vehicles | air pollution violation | 2013 | CA-ARB | $8,625 |
| Yamaha Motor Corporation, U.S.A. | Yamaha Motor | motor vehicles | air pollution violation | 2013 | CA-ARB | $36,000 |
