Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850890 | Multipolar connector | Katsutoshi Kuzuno, Shigeo Ishizuka | 1989-07-25 |
| 4820181 | Watertight connector | Katsutoshi Kuzuno, Shigeo Ishizuka, Hiroshi Watanabe | 1989-04-11 |