Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5930570 | Oriented foamed rotary member, and developing device using same | Yoshiro Saito, Hiroshi Sasame, Tatsuhiko Hayakawa, Tetsuya Kobayashi, Naoki Enomoto +1 more | 1999-07-27 |
| 4758482 | Enclosed type lead batteries and method for producing the same | Takumi Yamana, Akira Ishiodori, Yoshimi Yabui, Yutaka Suzuki, Masayoshi Aoki +7 more | 1988-07-19 |