Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977358 | Switching circuit for varying rotational speed of motor | Fusao Fushiya, Akiharu Hayashi, Kunio Nagata | 1990-12-11 |
| 4898549 | Connector built from one or more single rowed housings, with long lasting locking mechanism | Katsuhiko Nakama, Hiroshi Ninomiya, Toru Michishige | 1990-02-06 |
| 4709976 | Connector built from one or more single rowed housings with long lasting locking mechanism | Katsuhiko Nakama, Hiroshi Ninomiya, Toru Michishige | 1987-12-01 |
| 4638154 | Reflection-type photoelectric switching apparatus with light-adjustable reference light detection | Seiji Oku | 1987-01-20 |