Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667415 | Tertiary butyl 4,4-bis(4′-hydroxyphenyl) pentanoate derivatives and positive resist materials containing the same | Jun Watanabe, Minoru Takamizawa, Akinobu Tanaka, Yoshio Kawai, Tadahito Matsuda | 2003-12-23 |
| 6340735 | Coating solution and method for forming dielectric film | — | 2002-01-22 |
| 6093240 | Binder composition and aqueous coating composition | Kazuyuki Matsumura, Masanao Kamei, Mitsuo Asai, Masaaki Yamaya | 2000-07-25 |
| 6001422 | Method for finishing treatment of a fabric material | Motohiko Hirai | 1999-12-14 |
| 5935311 | Water-resistant ink composition and writing instrument | Kazuyuki Matsumura, Masanao Kamei, Koji Kawashima | 1999-08-10 |
| 5691112 | Sulfonium salt and chemically amplified positive resist composition | Satoshi Watanabe, Youichi Ohsawa, Toshinobu Ishihara, Kazumasa Maruyama, Yoshihumi Takeda +2 more | 1997-11-25 |
| 5633409 | Tristertbutoxyphenyl sulfonium tosylate compound | Satoshi Watanabe, Youichi Ohsawa, Toshinobu Ishihara, Kazumasa Maruyama, Yoshihumi Takeda +2 more | 1997-05-27 |
| 5629134 | Chemically amplified positive resist composition | Katsuyuki Oikawa, Toshinobu Ishihara, Akinobu Tanaka, Yoshio Kawai, Jiro Nakamura | 1997-05-13 |
| 5523370 | Poly(para-T-butoxycarbonyloxystyrene) and method of making | Osamu Watanabe, Toru Nakanishi, Tomoyoshi Furihata, Motoyuki Yamada | 1996-06-04 |
| 5412050 | Polymer having a narrow dispersion of molecular weight and a manufacturing process thereof | Osamu Watanabe, Motoyuki Yamada, Akira Yamamoto, Yoshinobu Isono | 1995-05-02 |
| 5314931 | Resist compositions | Motoyuki Yamada, Tomoyoshi Furihata, Osamu Watanabe | 1994-05-24 |
| 5252691 | P-vinylphenoxydimethylphenylcarbyldimethylsilane homopolymer | Osamu Watanabe, Motoyuki Yamada, Minoru Takamizawa | 1993-10-12 |
| 4808711 | Cephalosporin derivatives | Shigeo Shimizu, Hiroyuki Takano | 1989-02-28 |