Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885537 | Method of nuclear magnetic resonance imaging and apparatus for the same | — | 1989-12-05 |
| 4877712 | Image forming process | Tomizo Namiki, Fumiaki Shinozaki | 1989-10-31 |
| 4876983 | Plasma operation apparatus | Takuya Fukuda, Yasuhiro Mochizuki, Naohiro Momma, Shigeru Takahashi, Noboru Suzuki +2 more | 1989-10-31 |
| 4861626 | Extrusion die, method of producing the same and method of reclaiming the same | Masahiro Ihara, Hideya Maekawa, Haremi Ito, Kenichi Tanaka | 1989-08-29 |
| 4852164 | Pulse generating apparatus | — | 1989-07-25 |
| 4839879 | Method for recording data on non-defective sectors of an optical disk | Kaname Sawada, Shinji Hasunuma, Eizo Katayama, Motoyasu Ohno, Tsukasa Kanazawa +1 more | 1989-06-13 |
| 4836631 | Laser scanning motor having a rotating polygonal mirror and method of manufacturing the same | Kikuo Shimazu, Manabu Shiraki, Osami Miyao | 1989-06-06 |
| 4800214 | Open cell body made of hard vinyl chloride resin | Tatsuo Waki, Takeshi Watanabe | 1989-01-24 |
| 4797426 | Hard polyvinyl chloride resin composition and open-cell foam made of said composition | Tatsuo Waki, Takeshi Watanabe | 1989-01-10 |