Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245346 | Interrogator/transponder system and mobile transponder device | Yoshihiro Nishimura, Kazuhiro Kozuka, Shin Yamamoto, Norikazu Ohta, Yoshihisa Harata +2 more | 1993-09-14 |
| 5034704 | High frequency oscillation type proximity switch | Masakatsu Hosoya, Kenji Ueda | 1991-07-23 |
| 4748352 | Power source reset circuit for contactless switch | Fumio Kamiya, Hisatoshi Nodera, Kenji Ueda, Keinosuke Imazu | 1988-05-31 |
| 4644298 | Proximity switch | Fumio Kamiya, Hisatoshi Nodera, Kenji Ueda, Keinosuke Imazu | 1987-02-17 |
| 4613830 | Proximity switch having variable gain oscillator | Fumio Kamiya, Hisatoshi Nodera, Kenji Ueda, Keinosuke Imazu | 1986-09-23 |