Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885644 | Spindle servo device for data recording disk reproducing apparatus | Hidehiro Ishii, Junichi Yoshio, Takeshi Izumo, Noriyoshi Takeya, Kazuhiko Katakami +2 more | 1989-12-05 |
| 4881067 | Image forming apparatus and method | Kosuke Komatsu, Masaichi Ishibashi, Mutsumi Kimura, Shinsuke Koyama, Takahiro Fujimori +2 more | 1989-11-14 |
| 4872068 | Disk playing method resulting in reduced start-up time | Hidehiro Ishii, Junichi Yoshio, Takeshi Izumo, Noriyoshi Takeya, Kazuhiko Katakami +2 more | 1989-10-03 |
| 4864003 | Block-graft polymer and process for producing it | Teruo Fujimoto, Mikio Shiono, Koichi Ito | 1989-09-05 |
| 4857120 | Heat-resisting steel turbine part | Mituo Kawai, Kanzi Kawaguchi | 1989-08-15 |
| 4842965 | Non aqueous electrochemical battery with explosion proof arrangement and a method of the production thereof | Hisashi Urushiwara, Tugiyasu Iwamaru, Kenya Kazehara, Kenichi Sawada, Kiyoshi Sato +4 more | 1989-06-27 |
| 4816859 | Zoom lens focusing apparatus | Takashi Maruyama, Hidehiko Kitahara, Tomoo Fujimori, Akihiko Soya, Katsuhiko Ootsuki | 1989-03-28 |
| 4803243 | Block-graft copolymer | Teruo Fujimoto, Mikio Shiono, Koichi Ito | 1989-02-07 |