Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162849 | Image forming apparatus having a developer deterioration detecting device | Kunihisa Yoshino, Mitsuo Motohashi, Yukio Okamoto, Jun Hamada | 1992-11-10 |
| 4654113 | Process for fabricating a semiconductor device | Kazuaki Tukuda, Tadakazu Takada, Hiroshi Goto | 1987-03-31 |