Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759739 | Resist composition with polymeric dissolution inhibitor and alkali soluble resin | Katsuya Takemura, Toshinobu Ishihara, Yoshihumi Takeda, Minoru Shigemitsu, Ken'ichi Itoh | 1998-06-02 |
| 5728508 | Method of forming resist pattern utilizing fluorinated resin antireflective film layer | Katsuya Takemura, Toshinobu Ishihara, Satoshi Watanabe, Hirofumi Kishita, Kouichi Yamaguchi | 1998-03-17 |
| 5691112 | Sulfonium salt and chemically amplified positive resist composition | Satoshi Watanabe, Youichi Ohsawa, Toshinobu Ishihara, Yoshihumi Takeda, Junji Shimada +2 more | 1997-11-25 |
| 5633409 | Tristertbutoxyphenyl sulfonium tosylate compound | Satoshi Watanabe, Youichi Ohsawa, Toshinobu Ishihara, Yoshihumi Takeda, Junji Shimada +2 more | 1997-05-27 |
| 5602241 | Method for purifying polysaccharides | Kazuyuki Yamamoto, Shigehiro Nagura, Taira Homma | 1997-02-11 |
| 5569784 | Sulfonium salt and resist composition | Satoshi Watanabe, Junji Shimada, Youichi Ohsawa, Katsuya Takemura, Toshinobu Ishihara | 1996-10-29 |
| 5416206 | Modified xanthan gum and method for modifying xanthan gum | Shigehiro Nagura, Kanji Murofushi | 1995-05-16 |
| 5352564 | Resist compositions | Yoshihumi Takeda, Toshinobu Ishihara, Ken'ichi Itoh | 1994-10-04 |
| 5315003 | Method for purifying polysaccharides | Kazuyuki Yamamoto, Sigehiro Nagura, Taira Homma | 1994-05-24 |
| 4882517 | Electroluminescent composition containing organopolysiloxane and electroluminescent device usable as a back-lighting unit for liquid crystal display | Tatsushi Kaneko, Tohru Chiba | 1989-11-21 |
| 4843517 | Film capacitor | Tohru Chiba, Minoru Takamizawa | 1989-06-27 |
| 4385078 | Method for providing enteric coating on solid dosage forms and aqueous compositions therefor | Yoshiro Onda, Hiroaki Muto, Hiroshi Suzuki, Atsushi Hatayama | 1983-05-24 |
| 4365060 | Enterosoluble capsules | Yoshiro Onda, Hiroaki Muto | 1982-12-21 |
| 4226981 | Ether-ester derivatives of cellulose and their applications | Yoshiro Onda, Hiroaki Muto | 1980-10-07 |