Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387506 | Resin composition for paper-coating, coating composition for paper and coated paper | Akira Kawamura, Toshiyuki Hasegawa, Yutaka Shibata, Toshishige Hamaguchi | 2002-05-14 |
| 6039799 | Paper coating composition | Akira Kawamura, Toshiyuki Hasegawa | 2000-03-21 |
| 5849856 | Water soluble resins and application thereof to paper coating | Akira Kawamura, Toshiyuki Hasegawa, Sonoe Sato | 1998-12-15 |
| 5654359 | Paper coating composition | Toshiyuki Hasegawa, Yoshifumi Yoshida, Fujiko Kumei | 1997-08-05 |
| 5573591 | Method of exhausting silicon oxide | Kazuhiro Ikezawa, Hiroshi Yasuda, Hiroyuki Kojima, Koji Hosoda, Yoshifumi Kobayashi | 1996-11-12 |
| 5476065 | System for pulling-up monocrystal and method of exhausting silicon oxide | Kazuhiro Ikezawa, Hiroshi Yasuda, Hiroyuki Kojima, Koji Hosoda, Yoshifumi Kobayashi | 1995-12-19 |