Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11022082 | Fuel distribution device | — | 2021-06-01 |
| 10233915 | Negative pressure pump and cylinder head cover | — | 2019-03-19 |
| 9803640 | Negative pressure pump and cylinder head cover | — | 2017-10-31 |
| 9562531 | Negative pressure pump and cylinder head cover | — | 2017-02-07 |
| 8092334 | Two-stage two-speed front differential | Brent Peura | 2012-01-10 |
| 7641581 | Differential device | — | 2010-01-05 |
| 7464626 | Torque transmission apparatus and case structure | Masao Teraoka, Isao Hirota, Naoshi Mogami | 2008-12-16 |
| 7361117 | Differential limiter | Kazuo Kanazawa, Hiroshi Yamashita, Mamoru Murakami | 2008-04-22 |
| 7223191 | Power transmission system and operation method thereof | Masashi Aikawa | 2007-05-29 |
| 7210565 | Torque transmission apparatus and case structure | Masao Teraoka, Isao Hirota, Naoshi Mogami | 2007-05-01 |
| 7086978 | Power transmission system and operation method therefor | Masashi Aikawa | 2006-08-08 |
| 7083033 | Torque transmission apparatus | — | 2006-08-01 |
| 6770005 | Power transmission system and operation method therefor | Masashi Aikawa | 2004-08-03 |
| 6698562 | Coupling for vehicle | Masao Teraoka, Yoshiaki Kato, Kouichi Iizuka | 2004-03-02 |
| 6564917 | Starting clutch | Yoshiaki Katou | 2003-05-20 |
| 6446772 | Coupling | Hideyuki Inose | 2002-09-10 |
| 6027422 | Switching synchronous apparatus for four wheel drive vehicle | — | 2000-02-22 |
| 6015361 | Differential apparatus with two wheel/four wheel drive switching mechanism | Masao Teraoka, Takeharu Saeki | 2000-01-18 |
| 5890989 | Differential apparatus for reducing friction and noise | Masao Teraoka | 1999-04-06 |
| 5848950 | Differential gear capable of deriving differential restriction force by frictional resistance with rotations of pinion and side gears | Masao Teraoka, Susumu Ishikawa, Shuhei Ono | 1998-12-15 |
| 5839986 | Differential device with disconnect | — | 1998-11-24 |
| 5749801 | Differential unit | Masao Teraoka | 1998-05-12 |
| 5749803 | Differential apparatus | Masao Teraoka | 1998-05-12 |
| 5632704 | Differential apparatus | Isao Hirota | 1997-05-27 |