Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878045 | Locking cable for antitheft devices | Yashihiro Tanaka, Toshikazu Kawakami, Tetsuo Yamagata | 1989-10-31 |
| 4875063 | Electrostatic recording apparatus | Hiroyuki Idenawa, Hideaki Mochimaru, Hajime Kanda, Nobuhiro Makita, Takahiro Yagisita +12 more | 1989-10-17 |
| 4870313 | Piezoelectric resonators for overtone oscillations | Kouichi Hirama, Tomokazu Shouzi | 1989-09-26 |
| 4843221 | Electronic card receiving device | Tomonari Ohtsuki, Yoshiaki Igarashi, Toru Uno | 1989-06-27 |