Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8114575 | Plate making method of lithographic printing plate precursor | Koji Sonokawa | 2012-02-14 |
| 7651193 | Ink jet recording apparatus | Chikashi Ohishi | 2010-01-26 |
| 7182444 | Ink jet recording apparatus | — | 2007-02-27 |
| 6251552 | Method and apparatus of developing electrophotographic master plate for printing | Takao Nakayama | 2001-06-26 |
| 5319422 | Liquid electrophotographic developing device and method thereof | Chikashi Ohishi, Hidefumi Sera, Sho Nakao | 1994-06-07 |
| 5216201 | Liquid electrophotographic developing device | Chikashi Ohishi, Hidefumi Sera, Sho Nakao | 1993-06-01 |
| 5081499 | Liquid developing method and apparatus for electrophotography, and electrodes therefor | Sho Nakao, Chikashi Ohishi, Takao Nakayama, Hidefumi Sera | 1992-01-14 |
| 5057389 | Electrophotographic lithographic printing plate precursor with over back layer | Takao Nakayama, Chikashi Ohishi, Hidefumi Sera, Sho Nakao | 1991-10-15 |
| 4994342 | Electrophotographic lithographic printing plate precursor and a method of developing the same | Takao Nakayama, Chikashi Ohishi, Hidefumi Sera, Sho Nakao | 1991-02-19 |