Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889296 | Apparatus for grounding cassette | Keiichi Yamana | 1989-12-26 |
| 4881407 | Hot wire air flow meter | Minoru Tashahashi, Hiroastu Tokuda, Yutaka Nishimura | 1989-11-21 |
| 4864351 | A method and apparatus for cleaning a developing electrode of an electrophotographic device | Masaru Imai, Shuichi Ohtsuka | 1989-09-05 |
| 4834315 | Apparatus for grounding cassette | Keiichi Yamana | 1989-05-30 |