FI

Fumihito Itoh

Ricoh Company: 23 patents #910 of 9,818Top 10%
📍 Rifu, JP: #141 of 2,101 inventorsTop 7%
Overall (All Time): #184,989 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
9360826 Lubrication device and image forming apparatus incorporating same Tomohiko Saito, Toshiya Sato, Norio Kudoh, Hiroyuki Uenishi 2016-06-07
9158266 Waste toner conveying device and image forming apparatus using the same Atsushi Satoh, Tomohiko Saito, Takamichi Orikasa 2015-10-13
9152073 Charging device, image forming apparatus, and charging unit Takamichi Orikasa, Tomohiko Saito, Atsushi Satoh 2015-10-06
9098049 Cleaning device, process cartridge incorporating same, and image forming apparatus incorporating same Akira Asaoka, Toshiya Sato, Norio Kudoh, Hiroyuki Uenishi 2015-08-04
8655254 Lubricant applicator, image forming apparatus, and method of mounting lubricant applicator Yuji Arai, Ken Amemiya, Toshio Koike, Michiya Okamoto, Takuma Iwasaki +6 more 2014-02-18
8565661 Cleaning device including cleaning mechanism having noise reduction mechanism and image forming apparatus incorporating same Michiya Okamoto, Hiroyuki Nagashima, Hiroshi Ono, Ken Amemiya, Masahiko Shakuto +4 more 2013-10-22
8391732 Image forming device Kenji Honjoh, Masahiko Shakuto, Kaoru Yoshino, Takuma Iwasaki 2013-03-05
8369770 Collection container, cleaning unit, and image forming apparatus capable of collecting waste toner efficiently Michiya Okamoto, Hiroyuki Nagashima, Hiroshi Ono, Ken Amemiya, Masahiko Shakuto +4 more 2013-02-05
8204423 Cleaning device with accumulation prevention, process cartridge, and image forming apparatus including same Satoshi Hatori, Takaya Muraishi, Takeshi Shintani, Yasushi Akiba, Akio Kosuge +4 more 2012-06-19
8090293 Process cartridge and image forming apparatus employing same Yuji Arai, Hiroyuki Nagashima, Nobuo Kuwabara, Hiroshi Ono, Ken Amemiya +8 more 2012-01-03
8041280 Lubricant applying device, process cartridge, and image forming apparatus Toshio Koike, Hiroyuki Nagashima, Nobuo Kuwabara, Masahiko Shakuto, Ken Amemiya +3 more 2011-10-18
7953363 Lubricant applicator and image forming apparatus including same Kenji Honjoh, Toshiya Satoh, Hiroyuki Nagashima, Hiroshi Ono, Ken Amemiya +5 more 2011-05-31
7869746 Image forming device, powder supply device, and powder storage unit including a gas supplying unit Hirosato Amano, Kazuhisa Sudo 2011-01-11
7826778 Powder supplying device and image forming device Hiroshi Sano, Hirosato Amano, Keizo Chiba, Hiroshi Tateishi, Tetsuo Noji +1 more 2010-11-02
7773918 Imaging apparatus having particle supply and collection apparatus arranged outside imaging apparatus Hiroshi Sano, Hirosato Amano, Keizo Chiba, Tetsuo Noji, Hiroshi Tateishi +1 more 2010-08-10
7587152 Powder transport device and image forming system Hirosato Amano, Kazuhisa Sudo, Hiroshi Sano 2009-09-08
7489892 Particle supply apparatus and imaging apparatus having a gas spouting unit for fluidizing the particles Hiroshi Sano, Hirosato Amano, Keizo Chiba, Tetsuo Noji, Hiroshi Tateishi +1 more 2009-02-10
7463853 Particle supply apparatus, imaging apparatus, and monitoring system Hiroshi Sano, Hirosato Amano, Keizo Chiba, Tetsuo Noji, Hiroshi Tateishi +1 more 2008-12-09
6859634 Toner refilling device and developing device using the same for an image forming apparatus Shunji Katoh, Hirosato Amano, Kunio Makino, Takamichi Enomoto, Hiroyuki Uemura 2005-02-22
6577842 Image forming method and apparatus with toner recycling unit Yasushi Akiba 2003-06-10
5950055 Powder pump and image forming apparatus having the powder pump and method therefor Masazumi Yahata, Shunji Katoh, Yuuji Kitajima, Masakuni Konja, Satoshi Takano 1999-09-07
5950062 Toner sorting device for separating reusable toner from used toner and image forming apparatus using the same device Masasumi Yahata, Shunji Katoh, Yuji Kitajima, Satoshi Takano, Shin-ichi Kawahara +1 more 1999-09-07
5596395 Image forming apparatus and its control system having a single device for moving a charging member and a transfer member Tadahide Sawamura, Takaaki Tawada 1997-01-21