Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471284 | Image forming apparatus having toner depletion detection feature | Haruo Fujii, Tatsuya Kobayashi, Nobuhiro Imai, Hisayoshi Kojima, Hideki Tada +4 more | 1995-11-28 |
| 5414493 | Image forming apparatus | Haruo Fujii, Tatsuya Kobayashi, Nobuhiro Imai, Hisayoshi Kojima, Hideki Tada +4 more | 1995-05-09 |
| 5244467 | Method for production of polyphenylene sulfone fibers | Toshio Tsubota, Shiro Imai | 1993-09-14 |
| 5213877 | Ceramic substrate used for fabricating electric or electronic circuit | Hideaki Yoshida, Makoto Toriumi, Hirokazu Tanaka, Michio Yuzawa, Yoshirou Kuromitsu | 1993-05-25 |
| 4942091 | Polyphenylene sulfone fibers and a method for production thereof | Toshio Tsubota, Shiro Imai | 1990-07-17 |
| 4390566 | Method of producing soft sheet | Miyoshi Okamoto | 1983-06-28 |