Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308813 | Clutch housing and method for manufacturing the same | — | 2007-12-18 |
| 7036646 | Wet-type multiple disc clutch | Hiroshi Yabe | 2006-05-02 |
| 6948598 | Brake drum for wet-type band brake drum and method for manufacturing the same | Nobuhiro Nakazawa | 2005-09-27 |
| 6374961 | Tube-pressed brake | Satoshi Dairokuno, Yoshio Kinoshita | 2002-04-23 |
| 6341675 | Tube-pressed brake | — | 2002-01-29 |
| 6315096 | Friction engaging device | Satoshi Dairokuno, Yoshio Kinoshita | 2001-11-13 |
| 6142280 | Oil pressure circuit in a starting clutch | — | 2000-11-07 |
| 5845756 | Oil pressure circuit for clutch | Satoshi Dairokuno, Masao Shoji, Mitsuyoshi Suzuki | 1998-12-08 |
| 5813508 | Starting clutch | Masao Shoji | 1998-09-29 |
| 5605210 | Torque converter with a lockup mechanism | Tatsuro Miyoshi, Masao Shoji | 1997-02-25 |