Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683993 | Hydraulic damper | Hisao Tanabe, Masaru Takahashi, Hiroyasu Ozawa, Makoto Kitamura | 1987-08-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683993 | Hydraulic damper | Hisao Tanabe, Masaru Takahashi, Hiroyasu Ozawa, Makoto Kitamura | 1987-08-04 |