TO

Tadashi Ogawa

Ricoh Company: 92 patents #44 of 9,818Top 1%
Fujitsu Limited: 38 patents #487 of 24,456Top 2%
Pioneer Electronic: 8 patents #194 of 1,840Top 15%
TC Toyo Ink Mfg. Co.: 3 patents #62 of 499Top 15%
LE Lec: 2 patents #1 of 13Top 8%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
YE Yokogawa Hokushin Electric: 2 patents #13 of 112Top 15%
KC Komatsu Electronic Metals Co.: 2 patents #57 of 160Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
SC Sumitomo Cement Co.: 1 patents #32 of 113Top 30%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
IW Iwatani: 1 patents #23 of 73Top 35%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #5,732 of 4,157,543Top 1%
156
Patents All Time

Issued Patents All Time

Showing 26–50 of 156 patents

Patent #TitleCo-InventorsDate
9244383 Toner supplying device and image forming apparatus having a projection which interacts with a depression of a toner container to prevent adhering of toner to an interior of the toner container Hironori Ohshima, Koichi Yamazaki, Atsushi Nakamoto 2016-01-26
9239559 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Teppei Kawata, Arinobu Yoshiura +19 more 2016-01-19
9239553 Fixing device and image forming apparatus Yuji Arai, Takayuki Seki, Yoshiki Yamaguchi, Shuntaroh Tamaki, Yutaka Ikebuchi +17 more 2016-01-19
9235177 Fixing device and image forming apparatus incorporating same Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +15 more 2016-01-12
9207596 Image forming apparatus including a fixing device Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2015-12-08
9195173 Developing device and image forming apparatus and process cartridge incorporating same Atsushi Nakamoto 2015-11-24
D743059 Light-emitting diode lamp Masaaki Itoh, Toshiro Ohmuro 2015-11-10
9152108 Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same Teppei Kawata, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2015-10-06
9152106 Fixing device and image forming apparatus including same Yoshiki Yamaguchi, Takayuki Seki, Yuji Arai, Yutaka Ikebuchi, Shuntaroh Tamaki +10 more 2015-10-06
9141047 Fixing device and image forming apparatus Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takahiro Imada +15 more 2015-09-22
9069304 Image forming apparatus Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Naoki Iwaya +12 more 2015-06-30
9063493 Fixing device Kensuke Yamaji, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +11 more 2015-06-23
9063480 Fixing device, image forming device, and separating member Arinobu Yoshiura, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takahiro Imada +13 more 2015-06-23
9052658 Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takahiro Imada +13 more 2015-06-09
9046838 Fixing device and image forming apparatus Yuji Arai, Takayuki Seki, Yoshiki Yamaguchi, Shuntaroh Tamaki, Yutaka Ikebuchi +17 more 2015-06-02
9042761 Fixing device and image forming apparatus Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takahiro Imada +15 more 2015-05-26
9037008 Fixing device and image forming apparatus including same Takamasa Hase, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2015-05-19
9031485 Fixing device and endless belt assembly Kenji Ishii, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Takeshi Uchitani +12 more 2015-05-12
9031439 Fixing device and image forming device Takamasa Hase, Kenji Ishii, Teppei Kawata, Arinobu Yoshiura, Toshihiko Shimokawa +12 more 2015-05-12
9026024 Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii, Takeshi Uchitani +13 more 2015-05-05
9008558 Separator and separation device, fixing device, and image forming apparatus incorporating same Kazuya Saito, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiromasa Takagi +13 more 2015-04-14
8989643 Fixing device with endless belt and image forming apparatus incorporating same Hajime Gotoh, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takahiro Imada +13 more 2015-03-24
8989607 Thermal fixing device and image forming apparatus including same which detects the speed of a belt on the outer surface of a fixing member Satoshi Ueno, Masanao Ehara, Hiroshi Seo, Takamasa Hase, Shuutaroh Yuasa 2015-03-24
8971782 Fixing device, image forming apparatus incorporating same, and method for heating fixing rotary body Kazuya Saito, Masanao Ehara, Takeshi Uchitani, Satoshi Ueno, Teppei Kawata +3 more 2015-03-03
8971779 Fixing device with support and image forming apparatus incorporating same Hiroshi Yoshinaga, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takahiro Imada +13 more 2015-03-03