Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874993 | Sensorless brushless motor | Toshiya Kan | 1989-10-17 |
| 4871417 | Method and apparatus for surface treating of substrates | Hisao Nishizawa, Masaru Morita | 1989-10-03 |
| 4858848 | Magnetic tape cassette | Takashi Katoku | 1989-08-22 |
| 4843135 | Process for production of ethylene copolymers | Syuji Machida, Michitake Uoi | 1989-06-27 |
| 4833224 | Ethylene copolymers and process for production | Syuji Machida, Michitake Uoi | 1989-05-23 |
| 4832176 | System for automatically distributing and supplying parts | Kuniaki Okuma, IKUO MAEZAWA, Hideharu Koizumi, Hironobu Kida | 1989-05-23 |
| 4820823 | Process of producing .alpha.-keto acids | Toshiaki Kobayashi, Toshiyasu Sakakura | 1989-04-11 |