Issued Patents All Time
Showing 176–200 of 217 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041352 | Liquid developer for electrostatic photography | Kazuo Ishii, Hideyuki Hattori | 1991-08-20 |
| 5041348 | Electrophotographicc lithographic printing plate precursor | Akio Oda, Seishi Kasai | 1991-08-20 |
| 5035971 | Electrostatic photographic liquid developer | Kazuo Ishii | 1991-07-30 |
| 5030534 | Electrophotographic photoreceptor | Kazuo Ishii | 1991-07-09 |
| 5021311 | Electrophotographic photoreceptor | Kazuo Ishii | 1991-06-04 |
| 5017448 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii | 1991-05-21 |
| 5009975 | Electrophotographic photoreceptor | Kazuo Ishii | 1991-04-23 |
| 5006441 | Liquid developer for electrostatic photography | — | 1991-04-09 |
| 5001029 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii | 1991-03-19 |
| 4996121 | Electrophotographic lithographic printing plate precursor containing resin having hydroxy group forming functional group | Kazuo Ishii | 1991-02-26 |
| 4987150 | Agent for inhibiting binding of 5-dihydro-testosterone with androgen receptor as well as process for obtaining same | Masayasu Kurono, Hidehumi Yamakawa, Takuya Koshizaka, Takehiko Suzuki, Takafumi Iida +2 more | 1991-01-22 |
| 4983486 | Liquid developers for electrophotography | Kazuo Ishii | 1991-01-08 |
| 4977055 | Liquid developer for electrostatic photography | Kazuo Ishii, Hideyuki Hattori | 1990-12-11 |
| 4977049 | Electrophotographic lithographic printing plate precursor | — | 1990-12-11 |
| 4971871 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii | 1990-11-20 |
| 4971870 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii | 1990-11-20 |
| 4968572 | Electrophotographic photoreceptor with binder having terminal acidic group | Kazuo Ishii | 1990-11-06 |
| 4960661 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii | 1990-10-02 |
| 4954407 | Electrophotographic photoreceptor comprising binder resin containing acidic groups | Kazuo Ishii | 1990-09-04 |
| 4952475 | Electrophotographic photoreceptor comprising binder resin containing terminal acidic groups | Kazuo Ishii | 1990-08-28 |
| 4929526 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii, Ryosuke Itakura, Hidefumi Sera | 1990-05-29 |
| 4929527 | Method of image formation which includes scanning exposure process | Shigeru Ohno, Kazuo Ishii, Ryosuke Itakura | 1990-05-29 |
| 4910112 | Electrophotographic master plate for lithographic printing | Kazuo Ishii | 1990-03-20 |
| 4897328 | Electrophotographic lithographic printing plate precursor | Kazuo Ishii | 1990-01-30 |
| 4880716 | Electrophotographic lithographic printing plate precursor having resin outer layer | Kazuo Ishii | 1989-11-14 |