Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268078 | Shock absorbing bumper | Takao Nomura, Yoshiro Umemoto, Yasuhiro Mishima | 1981-05-19 |
| 4268079 | Shock absorbing bumper | Takao Nomura, Yoshiro Umemoto, Yasuhiro Mishima | 1981-05-19 |