YS

Yoshio Segi

Canon: 13 patents #5,080 of 19,416Top 30%
Overall (All Time): #388,860 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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