Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085052 | Operating speed change-over device | Masanobu Kawanaka, Youichi Kondo, Kimimasa Onda | 1992-02-04 |
| 4715384 | Pulsimeter | — | 1987-12-29 |
| 4519397 | Pulse detector | — | 1985-05-28 |
| 4513753 | Heartbeat rate indicator | Masahiro Torii, Hiroshi Oikawa, Minoru Sawada, Yasuyuki Masui | 1985-04-30 |
| 4479121 | Electrochromic display device having constant color density and driving method therefor | — | 1984-10-23 |
| 4443115 | Electronic timepiece with electrochromic display | Noboru Kaneko | 1984-04-17 |
| 4409538 | Charge control circuit | — | 1983-10-11 |
| 4401984 | Electrochromic display device | Noboru Kaneko | 1983-08-30 |
| 4401983 | Electrochromic display device exhibiting uniform coloration density | Noboru Kaneko | 1983-08-30 |
| 4354187 | Electrochromic display device | Noboru Kaneko | 1982-10-12 |
| 4349818 | Electrochromic display device | Noboru Kaneko | 1982-09-14 |
| 4316275 | Charging control circuit for electronic timepiece | — | 1982-02-16 |
| 4309627 | Detecting circuit for a power source voltage | — | 1982-01-05 |
| 4242681 | Driving system for display | — | 1980-12-30 |
| 4204736 | Method and device for contact-printing | Shinji Hamada, Fumio Hoshino | 1980-05-27 |