TK

Toshio Koike

Ricoh Company: 72 patents #81 of 9,818Top 1%
IC Iwatsu Electric Co.: 6 patents #6 of 212Top 3%
UL Ulvac: 5 patents #67 of 680Top 10%
AC Ajinomoto Co.: 3 patents #592 of 2,190Top 30%
NC Nitto Chemical Industry Co.: 1 patents #86 of 179Top 50%
MO Moritex: 1 patents #20 of 50Top 40%
NG Nihon Shinku Gijutsu: 1 patents #54 of 128Top 45%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
RL Ricoh Company, Limted: 1 patents #1 of 26Top 4%
Overall (All Time): #17,160 of 4,157,543Top 1%
92
Patents All Time

Issued Patents All Time

Showing 26–50 of 92 patents

Patent #TitleCo-InventorsDate
8626034 Development device, and image forming apparatus and process cartridge incorporating same Yoshiyuki Fukuda, Yoshio Hattori, Atsushi Nakamoto, Hiroaki Okamoto 2014-01-07
8611805 Waste-toner collecting device process cartridge and image forming apparatus having the same Ken Amemiya, Satoshi Hatori, Yuji Arai, Yuta Azeyanagi, Michiya Okamoto +1 more 2013-12-17
8588672 Lubricant applicator, process cartridge, transfer unit, and image forming apparatus Yuji Arai, Ken Amemiya, Satoshi Hatori, Michiya Okamoto, Takuma Iwasaki +1 more 2013-11-19
8577257 Process unit and image forming apparatus including same Yuji Arai, Satoshi Hatori, Yuta Azeyanagi, Kenji Honjoh 2013-11-05
8571704 Substrate transfer apparatus Takafumi Kawaguchi, Kenji Ago 2013-10-29
8565661 Cleaning device including cleaning mechanism having noise reduction mechanism and image forming apparatus incorporating same Michiya Okamoto, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono, Ken Amemiya +4 more 2013-10-22
8494428 Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unit Yuta Azeyanagi, Ken Amemiya, Satoshi Hatori, Yuji Arai, Michiya Okamoto +5 more 2013-07-23
8428488 Charging device, process cartridge, image forming apparatus, and toner Haruji Mizuishi, Tokuya Ojimi, Takeshi Shintani, Yuji Arai, Takuzi Yoneda +7 more 2013-04-23
8396408 Cleaning device, process cartridge, and image forming apparatus Ken Amemiya, Satoshi Hatori, Yuji Arai, Takuma Iwasaki, Shinya Karasawa +1 more 2013-03-12
8382421 Transport apparatus Kazuhiro Musha, Hirofumi Minami, Kenji Ago, Takashi Asaishi 2013-02-26
8369770 Collection container, cleaning unit, and image forming apparatus capable of collecting waste toner efficiently Michiya Okamoto, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono, Ken Amemiya +4 more 2013-02-05
8254823 Waste toner storage unit and image forming apparatus using same Hiroyuki Nagashima, Shuji Tanaka, Nobuo Kuwabara, Hiroshi Ono, Ken Amemiya +4 more 2012-08-28
8185032 Used toner collection device and image forming apparatus Hiroshi Ono, Tokuya Ojimi, Shuji Tanaka, Ken Amemiya, Yuji Arai +4 more 2012-05-22
8090293 Process cartridge and image forming apparatus employing same Yuji Arai, Hiroyuki Nagashima, Nobuo Kuwabara, Fumihito Itoh, Hiroshi Ono +8 more 2012-01-03
8041280 Lubricant applying device, process cartridge, and image forming apparatus Hiroyuki Nagashima, Nobuo Kuwabara, Fumihito Itoh, Masahiko Shakuto, Ken Amemiya +3 more 2011-10-18
8000627 Charging device, process cartridge, image forming apparatus, and toner Haruji Mizuishi, Tokuya Ojimi, Takeshi Shintani, Yuji Arai, Takuzi Yoneda +7 more 2011-08-16
7953363 Lubricant applicator and image forming apparatus including same Kenji Honjoh, Toshiya Satoh, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono +5 more 2011-05-31
7844198 Electrophotographic photoreceptor, photoreceptor supporting device, imaging device and process cartridge Nobuo Kuwabara, Hiroyuki Nagashima, Shuji Tanaka, Hiroshi Ono, Ken Amemiya +3 more 2010-11-30
7826786 Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner Takeo Suda, Shinichi Kawahara, Takatsugu Fujishiro, Tokuya Ojimi, Takeshi Tabuchi +15 more 2010-11-02
7692120 Transport robot and transport apparatus 2010-04-06
7680429 Charging device including charging roller and cleaning roller Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more 2010-03-16
7672635 Method and apparatus for image forming and effectively applying lubricant to an image bearing member Yoshiki Hozumi, Ken Amemiya, Masanori Kawasumi, Yuji Arai, Tokuya Ojimi +5 more 2010-03-02
7645112 Transport apparatus, control method for the same, and vacuum processing system Hirofumi Minami, Kenji Ago, Takafumi Kawaguchi, Junpei Yuyama 2010-01-12
7572093 Transport apparatus, control method for the same, and vacuum processing system Hirofumi Minami, Kenji Ago, Takafumi Kawaguchi, Junpei Yuyama 2009-08-11
7539451 Image forming apparatus and toner Masanori Kawasumi, Haruji Mizuishi, Tokuya Ojimi, Takeshi Shintani, Yuji Arai +8 more 2009-05-26