HY

Hiroshi Yoshinaga

Ricoh Company: 223 patents #2 of 9,818Top 1%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
FC Fukuda Metal Foil & Powder Co.: 1 patents #50 of 95Top 55%
SL Sri Sports Limited: 1 patents #123 of 176Top 70%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
IBM: 1 patents #44,794 of 70,183Top 65%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #2,229 of 4,157,543Top 1%
239
Patents All Time

Issued Patents All Time

Showing 101–125 of 239 patents

Patent #TitleCo-InventorsDate
9141047 Fixing device and image forming apparatus Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +15 more 2015-09-22
9128426 Fixing device and image forming apparatus including same Ippei Fujimoto, Akira Shinshi, Naoki Iwaya, Yoshiki Yamaguchi, Shuntaroh Tamaki +3 more 2015-09-08
9116481 Fixing device including a reflector and image forming apparatus Masaaki Yoshikawa, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu, Takuya Seshita +10 more 2015-08-25
9069304 Image forming apparatus Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Naoki Iwaya, Hiromasa Takagi +12 more 2015-06-30
9063480 Fixing device, image forming device, and separating member Arinobu Yoshiura, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-06-23
9063493 Fixing device Kensuke Yamaji, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +11 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, Tadashi Ogawa +13 more 2015-06-09
9046839 Fixing device including a heat shield and image forming apparatus Yuji Arai, Masaaki Yoshikawa, Takayuki Seki, Takeshi Yamamoto, Ryuuichi Mimbu +11 more 2015-06-02
9046837 Fixing device and method, and image forming apparatus incorporating same Yutaka Ikebuchi, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Hiromasa Takagi +9 more 2015-06-02
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, Tadashi Ogawa +15 more 2015-05-26
9042799 Fixing device and image forming apparatus Takamasa Hase, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2015-05-26
9037008 Fixing device and image forming apparatus including same Takamasa Hase, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-05-19
9031439 Fixing device and image forming device Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura +12 more 2015-05-12
9031485 Fixing device and endless belt assembly Kenji Ishii, Masahiko Satoh, Masaaki Yoshikawa, Takeshi Uchitani, Tadashi Ogawa +12 more 2015-05-12
9026025 Fixing device including heating span adjuster, image forming apparatus, and fixing method Ryuuichi Mimbu, Masaaki Yoshikawa, Takayuki Seki, Takeshi Yamamoto, Yutaka Ikebuchi +10 more 2015-05-05
9026024 Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same Tadashi Ogawa, Masahiko Satoh, Masaaki Yoshikawa, 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, Tadashi Ogawa +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, Tadashi Ogawa +13 more 2015-03-24
8983353 Fixing apparatus and image forming apparatus Arinobu Yoshiura, Masaaki Yoshikawa, Yuji Arai, Yoshiki Yamaguchi, Tetsuo Tokuda +9 more 2015-03-17
8971779 Fixing device with support and image forming apparatus incorporating same Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa, Takahiro Imada +13 more 2015-03-03
8958710 Fixing device, image forming apparatus incorporating same, and fixing method Shuutaroh Yuasa, Takeshi Uchitani, Takamasa Hase, Takuya Seshita, Kenji Ishii +13 more 2015-02-17
8953994 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-02-10
8953993 Fixing device and image forming apparatus incorporating same Tetsuo Tokuda, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Hiromasa Takagi +9 more 2015-02-10
8953995 Fixing device and endless belt assembly Akira Suzuki, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Takeshi Uchitani +13 more 2015-02-10