Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12251915 | Decorative sheet | Takehiko Hiroshima, Yoshio Sukegawa | 2025-03-18 |
| 5104359 | Tensioner with reduced rattling | Eiji Shirai, Yukimori Kobayashi | 1992-04-14 |
| 4925436 | Tensioner | Masaharu Hayashi, Hisashi Kodama, Yukimori Kobayashi, Eiji Shirai | 1990-05-15 |
| 4911680 | Hermetically sealed autotensioner | Hisashi Kodama, Yukimori Kobayashi | 1990-03-27 |
| 4858572 | Device for adjusting an angular phase difference between two elements | Eiji Shirai, Yukimori Kobayashi | 1989-08-22 |
| 4798563 | Self-contained type automatic belt tensioner | Yukimori Kobayashi, Makoto Ishikawa, Tamotsu Kamiya, Tomiaki Atsumi | 1989-01-17 |
| 4798180 | Self-contained hydraulic lash adjuster | Fumio Arai, Hisashi Kodama | 1989-01-17 |
| 4790796 | Free piston type auto-tensioner | Yukimori Kobayashi, Eiji Shirai | 1988-12-13 |
| 4770137 | Cylinder control device for variable-cylindered engine | Yukimori Kobayashi | 1988-09-13 |
| 4743225 | Auto-tensioner for timing-belt | — | 1988-05-10 |
| 4713045 | Auto-tensioner for belt systems and a method for adjusting tension degree | Hisashi Kodama | 1987-12-15 |
| 4695268 | Automatic tensioner having locking mechanism | Hisashi Kodama | 1987-09-22 |
| 4662325 | Self-contained hydraulic valve lifter | Eiji Shirai | 1987-05-05 |
| 4657524 | Self-contained tensioning device for a belt or similar structure | — | 1987-04-14 |
| 4634829 | Control method of spot welding | Masato Furudate | 1987-01-06 |
| 4634828 | Control method of resistance welding | Masato Furudate | 1987-01-06 |
| 4539001 | Tensioning device for belt or the like | — | 1985-09-03 |
| 4527462 | Sealed-type automatic tensioner | — | 1985-07-09 |
| 4522169 | Variable cylinder device for internal combustion engines | Fuminao Arai | 1985-06-11 |
| 4462353 | Variable cylinder device for internal combustion engines | Fuminao Arai, Hisashi Kodama | 1984-07-31 |
| 4438739 | Hydraulic lash adjuster | Fuminao Arai, Hisashi Kodama | 1984-03-27 |
| 4402285 | Self-contained hydraulic lash adjuster | Fuminao Arai, Hisashi Kodama | 1983-09-06 |
| 4387675 | Engine valve actuating mechanism having a hydraulic fulcrum lifting device | Takanobu Hori, Fuminao Arai, Hisashi Kodama | 1983-06-14 |