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 76–100 of 239 patents

Patent #TitleCo-InventorsDate
9405250 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 +12 more 2016-08-02
9405242 Fixing device and image forming device Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura +12 more 2016-08-02
9389550 Fixing device, image forming apparatus, and fixing method Kazuya Saito, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu, Yoshiki Yamaguchi +4 more 2016-07-12
9383693 Fixing device, image forming apparatus, and fixing method Shuutaroh Yuasa, Shuntaro Tamaki, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu +4 more 2016-07-05
9367010 Fixing device and image forming device Hiromasa Takagi, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2016-06-14
9348272 Fixing device including a reinforced heat shield and image forming apparatus Shuntaroh Tamaki, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu, Yoshiki Yamaguchi +4 more 2016-05-24
9329542 Fixing device and image forming apparatus Yuji Arai, Yoshio Hattori, Kazuya Saito, Shuntaro Tamaki 2016-05-03
9316968 Fixing device and image forming apparatus Kazuya Saito, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu, Yutaka Ikebuchi +4 more 2016-04-19
9310733 Fixing device and image forming apparatus including same Masaaki Yoshikawa, Kenichi Hasegawa, Kenji Ishii, Akira Shinshi, Naoki Iwaya +8 more 2016-04-12
9291967 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2016-03-22
9285728 Image forming apparatus including a heat shield interposed between a heater and a fixing rotary body and image forming method Takayuki Seki, Yuji Arai, Yutaka Ikebuchi, Ryuuichi Mimbu, Yoshiki Yamaguchi +4 more 2016-03-15
9285724 Fixing device and image forming apparatus Takamasa Hase, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2016-03-15
9244411 Fixing device and image forming apparatus incorporating same Takuya Seshita, Takeshi Uchitani, Yutaka Ikebuchi, Takamasa Hase, Shuutaroh Yuasa 2016-01-26
9239553 Fixing device and image forming apparatus Yuji Arai, Takayuki Seki, Yoshiki Yamaguchi, Shuntaroh Tamaki, Yutaka Ikebuchi +17 more 2016-01-19
9239559 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more 2016-01-19
9235177 Fixing device and image forming apparatus incorporating same Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +15 more 2016-01-12
9221661 Pressure adjuster, fixing device, and image forming apparatus Ryuuichi Mimbu, Takayuki Seki, Yuji Arai, Yutaka Ikebuchi, Yoshiki Yamaguchi +5 more 2015-12-29
9207589 Fixing device and image forming apparatus including same Yuji Arai, Takayuki Seki, Ryuuichi Mimbu, Shuntaro Tamaki, Toshihiko Shimokawa +3 more 2015-12-08
9207596 Image forming apparatus including a fixing device Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2015-12-08
9164443 Fixing device and image forming apparatus Toshihiko Shimokawa, Masaaki Yoshikawa, Takayuki Seki, Yuji Arai, Takeshi Yamamoto +10 more 2015-10-20
9158248 Fixing device and image forming apparatus Yuji Arai, Masaaki Yoshikawa, Takayuki Seki, Takeshi Yamamoto, Ryuuichi Mimbu +10 more 2015-10-13
9158250 Fixing device and image forming apparatus Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Naoki Iwaya +9 more 2015-10-13
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, Tadashi Ogawa +13 more 2015-10-06
9146508 Fixing device, image forming apparatus, and fixing method Takahiro Imada, Masaaki Yoshikawa, Takayuki Seki, Yuji Arai, Takeshi Yamamoto +10 more 2015-09-29
9141047 Fixing device and image forming apparatus Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +15 more 2015-09-22