Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887760 | Bonding sheet for electronic component and method of bonding electronic component using the same | Thunekazu Yoshino, Hirotaka Nakano, Nobuo Hayashi, Yuko KUBOTA | 1989-12-19 |
| 4881131 | Plotter adjustment circuit | — | 1989-11-14 |
| 4877509 | Semiconductor wafer treating apparatus utilizing a plasma | Toshiaki Ogawa, Nobuo Fujiwara, Kenji Kawai, Teruo Shibano, Kyusaku Nishioka | 1989-10-31 |
| 4867974 | Agent for preventing plant virus diseases | Masahiro Fujii, Jun Hiraki, Masakazu Hatakeyama | 1989-09-19 |
| 4820584 | Magnetic recording medium and method of manufacturing the same | Osamu Osada | 1989-04-11 |