Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11253021 | Helmet | — | 2022-02-22 |
| 5862528 | Safety helmet and a head protector therefor | Noboru Oikawa | 1999-01-26 |
| 4612946 | Automatic set-up system | Akihiko Noh, Shinichi Sato, Ichiro Tanaka | 1986-09-23 |
| 4609001 | Automatic set-up system | Akihiko Noh, Shinichi Sato, Ichiro Tanaka | 1986-09-02 |
| 4609000 | Automatic set-up system | Akihiko Noh, Shinichi Sato, Ichiro Tanaka | 1986-09-02 |
| 4609002 | Automatic set-up system | Akihiko Noh, Shinichi Sato, Ichiro Tanaka | 1986-09-02 |
| 4607651 | Automatic set-up system | Akihiko Noh, Shinichi Sato, Ichiro Tanaka | 1986-08-26 |
| 4543970 | Automatic set-up system | Akihiko Noh, Shinichi Sato, Ichiro Tanaka | 1985-10-01 |