Issued Patents All Time
Showing 76–100 of 109 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609982 | Positive-working photoresist composition | Kenichiro Sato, Yasumasa Kawabe, Shinji Sakaguchi | 1997-03-11 |
| 5576143 | Light-sensitive composition | Tadayoshi Kokubo | 1996-11-19 |
| 5554481 | Positive working photoresist composition | Yasumasa Kawabe, Kenichiro Satoh | 1996-09-10 |
| 5529881 | Postive photoresist composition | Yasumasa Kawabe, Kenichiro Sato, Kazuya Uenishi | 1996-06-25 |
| 5523396 | Process for synthesizing quinonediazide ester utilizing base catalyst | Kenichiro Sato, Yasumasa Kawabe | 1996-06-04 |
| 5340688 | Positive type photoresist composition | Yasumasa Kawabe, Tadayoshi Kokubo | 1994-08-23 |
| 5338640 | Siloxane polymers and positive working light-sensitive compositions comprising the same | Kazuyoshi Mizutani | 1994-08-16 |
| 5320928 | Photosensitive composition comprising a diazonium compound and a polyurethane | — | 1994-06-14 |
| 5318875 | Positive quinonediazide photoresist composition containing select hydroxyphenol additive | Yasumasa Kawabe, Tadayoshi Kokubo, Shiro Tan | 1994-06-07 |
| 5294511 | Photosensitive composition | Mitsunori Ono | 1994-03-15 |
| 5278273 | Siloxane polymers and positive working light-sensitive compositions comprising the same | Kazuyoshi Mizutani | 1994-01-11 |
| 5276124 | Siloxane polymers and positive working light-sensitive compositions comprising the same | Kazuyoshi Mizutani | 1994-01-04 |
| 5254432 | Photosensitive composition | — | 1993-10-19 |
| 5252686 | Siloxane polymers and positive working light-sensitive compositions comprising the same | Kazuyoshi Mizutani | 1993-10-12 |
| 5216105 | Silicone polymers and positive working light-sensitive compositions comprising the same | Kazuyoshi Mizutani | 1993-06-01 |
| 5204217 | Photosensitive composition | Mitsunori Ono | 1993-04-20 |
| 5143816 | Light-sensitive composition comprising a polysiloxane and a naphthoquinone | Kazuyoshi Mizutani | 1992-09-01 |
| 5141840 | Light-sensitive composition containing onium salt and polysiloxane reaction product | Kazuyoshi Mizutani | 1992-08-25 |
| 5110709 | Light-sensitive positive working composition containing a pisolfone compound | Tadayoshi Kokubo | 1992-05-05 |
| 5069992 | Electrophotographic printing plate precursor containing alkali-soluble polyurethane resin as binder resin | Hiromichi Tachikawa, Hiroaki Yokoya, Syu Watarai | 1991-12-03 |
| 5002853 | Positive working photosensitive composition | Teruo Nagano | 1991-03-26 |
| 4983491 | Photosensitive diazo resin composition with polyurethane resin having carboxyl group in its main chain | Kazuo Maemoto, Akihiko Kamiya | 1991-01-08 |
| 4950582 | Light-sensitive composition | Keitaro Aoshima, Yasuo Okamoto | 1990-08-21 |
| 4904563 | Microcapsules and light-sensitive recording material using the same | Yoshimasa Aotani | 1990-02-27 |
| 4898803 | Light-sensitive o-quinone diazide composition with acidic polyurethane resin | Keitaro Aoshima, Akira Nagashima | 1990-02-06 |