HK

Hiroyuki Katagiri

Canon: 24 patents #2,540 of 19,416Top 15%
IC Ikeda Bussan Co.: 3 patents #47 of 235Top 20%
📍 Tadami, JP: #1 of 25 inventorsTop 4%
Overall (All Time): #150,135 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12318981 Conveyance apparatus for conveying mold Yuichi Yanahara, Hideo Matsumoto, Nobunari Shimoe, Jun Tainaka, Mao Sato 2025-06-03
12285893 Injection molding system with conveyor devices to insert or eject molds Yuichi Yanahara, Koki Kodaira, Hideo Matsumoto, Nobunari Shimoe, Tomoaki Ikeguchi +2 more 2025-04-29
6686109 Electrophotographic process and apparatus Hideaki Matsuoka, Yoshio Segi, Tetsuya Karaki 2004-02-03
6557569 Method of manufacturing an electrophotographic photosensitive member including multiple liquid cleaning steps and machining step Yoshio Segi, Hideaki Matsuoka, Kazuhiko Takada 2003-05-06
6453913 Method of cleaning a film deposition apparatus, method of dry etching a film deposition apparatus, and an article production method including a process based on the cleaning or dry etching method Yoshio Seqi, Hideaki Matsuoka, Koji Hitsuishi, Tetsuya Karaki 2002-09-24
6435130 Plasma CVD apparatus and plasma processing method Satoshi Takaki, Yoshio Segi, Atsushi Yamagami, Hitoshi Murayama, Yasuyoshi Takai 2002-08-20
6406554 Method and apparatus for producing electrophotographic photosensitive member Yoshio Segi, Hideaki Matsuoka, Yasuyoshi Takai 2002-06-18
6391394 Method for manufacturing electrophotographic photosensitive member and jig used therein Toshiyasu Shirasuna, Yoshio Segi 2002-05-21
6335281 Deposited film forming process Yoshio Segi, Hideaki Matsuoka, Yasuyoshi Takai 2002-01-01
6318382 Cleaning method and cleaning apparatus, and electrophotographic photosensitive member and cleaning method of electrophotographic photosensitive member Yoshio Segi, 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 Yoshio Segi, Yasuyoshi Takai 2000-12-12
6156472 Method of manufacturing electrophotographic photosensitive member Yoshio Segi, Hideaki Matsuoka, Yasuyoshi Takai 2000-12-05
6103442 Method and apparatus for producing electrophotographic photosensitive member Yoshio Segi, Hideaki Matsuoka, Yasuyoshi Takai 2000-08-15
5943531 Electrophotographic apparatus, image forming method, and process for fabricating light receiving member for electrophotography Yasuyoshi Takai, Yoshio Segi 1999-08-24
5853936 Light receiving member, substrate for said light receiving member, and electrophotographic apparatus having said light receiving member Yoshio Segi, Yasuyoshi Takai, Hideaki Matsuoka, Toshiyuki Ehara 1998-12-29
5582648 Apparatus for preparing a functional deposited film by microwave plasma chemical vapor deposition Tetsuya Takei, Toshiyasu Shirasuna 1996-12-10
5514506 Light receiving member having a multi-layered light receiving layer with an enhanced concentration of hydrogen or/and halogen atoms in the vicinity of the interface of adjacent layers Yasuyoshi Takai, Tetsuya Takei, Hirokazu Otoshi, Ryuji Okamura, Satoshi Kojima 1996-05-07
5480754 Electrophotographic photosensitive member and method of manufacturing the same Tetsuya Takei, Yoshio Segi 1996-01-02
5480627 Method for treating substrate for electrophotographic photosensitive member and method for making electrophotographic photosensitive member Tetsuya Takei, Hirokazu Ohtoshi, Ryuji Okamura, Yasuyoshi Takai 1996-01-02
5338580 Method of preparation of functional deposited film by microwave plasma chemical vapor deposition Tetsuya Takei, Toshiyasu Shirasuna 1994-08-16
5314780 Method for treating metal substrate for electro-photographic photosensitive member and method for manufacturing electrophotographic photosensitive member Tetsuya Takei, Hirokazu Ohtoshi, Ryuji Okamura, Yasuyoshi Takai 1994-05-24
5284730 Electrophotographic light-receiving member Tetsuya Takei, Shigeru Shirai, Hirokazu Ohtoshi, Ryuji Okamura, Yasuyoshi Takai 1994-02-08
5129359 Microwave plasma CVD apparatus for the formation of functional deposited film with discharge space provided with gas feed device capable of applying bias voltage between the gas feed device and substrate Tetsuya Takei, Toshiyasu Shirasuna 1992-07-14
5055020 Mold for manufacturing a skin covered foamed plastic article 1991-10-08
5011394 Mold for skin covered foamed plastic molding Hisayoshi Mizuno, Masami Mori 1991-04-30