Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960011 | Differential drive mechanism | — | 1990-10-02 |
| 4921061 | Electric power steering apparatus | — | 1990-05-01 |
| 4905808 | Torque transmission device for a four-wheel drive vehicle | Tamaki Tomita, Keiichi Nakamura, Masaji Yamamoto, Shigeo Tanooka, Toshifumi Sakai +2 more | 1990-03-06 |
| 4873793 | Numerically controlled machine tool | Toshio Tsujiuchi, Takao Yoneda, Nobuhiro Ishihara, Toshio Maruyama, Norio Ohta | 1989-10-17 |
| 4821604 | Four-wheel drive system | — | 1989-04-18 |
| 4817751 | A driving force distribution transmission for vehicles with four-wheel drive | Keiichi Nakamura, Masaji Yamamoto, Shigeo Tanooka, Toshifumi Sakai | 1989-04-04 |
| 4574905 | Steering force controlling apparatus for power steering system | Keiichi Nakamura, Yutaka Mori | 1986-03-11 |
| 4346535 | Cam grinding machine | Hiroshi Ota, Kenji Yamakage | 1982-08-31 |
| 4266374 | Grinding machine with truing apparatus for grinding wheel made of cubic boron nitride | Ikuo Suzuki, Minoru Enomoto | 1981-05-12 |
| 4259940 | Grinding machine with a CBN grinding wheel | Toshio Maruyama | 1981-04-07 |