Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686109 | Electrophotographic process and apparatus | Hideaki Matsuoka, Hiroyuki Katagiri, Tetsuya Karaki | 2004-02-03 |
| 6557569 | Method of manufacturing an electrophotographic photosensitive member including multiple liquid cleaning steps and machining step | Hiroyuki Katagiri, Hideaki Matsuoka, Kazuhiko Takada | 2003-05-06 |
| 6435130 | Plasma CVD apparatus and plasma processing method | Satoshi Takaki, Atsushi Yamagami, Hiroyuki Katagiri, Hitoshi Murayama, Yasuyoshi Takai | 2002-08-20 |
| 6406554 | Method and apparatus for producing electrophotographic photosensitive member | Hiroyuki Katagiri, Hideaki Matsuoka, Yasuyoshi Takai | 2002-06-18 |
| 6391394 | Method for manufacturing electrophotographic photosensitive member and jig used therein | Toshiyasu Shirasuna, Hiroyuki Katagiri | 2002-05-21 |
| 6335281 | Deposited film forming process | Hideaki Matsuoka, Hiroyuki Katagiri, Yasuyoshi Takai | 2002-01-01 |
| 6318382 | Cleaning method and cleaning apparatus, and electrophotographic photosensitive member and cleaning method of electrophotographic photosensitive member | Hiroyuki Katagiri, Hideaki Matsuoka, Kazuhiko Takada | 2001-11-20 |
| 6158382 | Method for forming a deposited film by plasma chemical vapor deposition and apparatus for forming a deposited film by plasma chemical vapor deposition | Hiroyuki Katagiri, Yasuyoshi Takai | 2000-12-12 |
| 6156472 | Method of manufacturing electrophotographic photosensitive member | Hideaki Matsuoka, Hiroyuki Katagiri, Yasuyoshi Takai | 2000-12-05 |
| 6103442 | Method and apparatus for producing electrophotographic photosensitive member | Hiroyuki Katagiri, Hideaki Matsuoka, Yasuyoshi Takai | 2000-08-15 |
| 5943531 | Electrophotographic apparatus, image forming method, and process for fabricating light receiving member for electrophotography | Yasuyoshi Takai, Hiroyuki Katagiri | 1999-08-24 |
| 5853936 | Light receiving member, substrate for said light receiving member, and electrophotographic apparatus having said light receiving member | Hiroyuki Katagiri, Yasuyoshi Takai, Hideaki Matsuoka, Toshiyuki Ehara | 1998-12-29 |
| 5480754 | Electrophotographic photosensitive member and method of manufacturing the same | Tetsuya Takei, Hiroyuki Katagiri | 1996-01-02 |