NI

Naoki Iwaya

Ricoh Company: 125 patents #14 of 9,818Top 1%
Overall (All Time): #8,989 of 4,157,543Top 1%
126
Patents All Time

Issued Patents All Time

Showing 26–50 of 126 patents

Patent #TitleCo-InventorsDate
9316972 Fixing device and image forming apparatus incorporating same Yuji Arai, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +8 more 2016-04-19
9310733 Fixing device and image forming apparatus including same Hiroshi Yoshinaga, Masaaki Yoshikawa, Kenichi Hasegawa, Kenji Ishii, Akira Shinshi +8 more 2016-04-12
9291952 Belt assembly and image forming apparatus including same Yoshiki Hozumi, Yasufumi Takahashi, Masaharu Furuya, Naomi Sugimoto, Kazuchika Saeki 2016-03-22
9291967 Fixing device and image forming apparatus incorporating same Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Tadashi Ogawa +13 more 2016-03-22
9250575 Belt assembly and image forming apparatus including same Yoshiki Hozumi, Naomi Sugimoto, Yasufumi Takahashi, Masaharu Furuya, Kazuchika Saeki 2016-02-02
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
9229379 Fixing device and image forming apparatus Shuntaroh Tamaki, Takayuki Seki, Yuji Arai, Yoshiki Yamaguchi, Yutaka Ikebuchi +2 more 2016-01-05
9221661 Pressure adjuster, fixing device, and image forming apparatus Ryuuichi Mimbu, Takayuki Seki, Hiroshi Yoshinaga, Yuji Arai, Yutaka Ikebuchi +5 more 2015-12-29
9207596 Image forming apparatus including a fixing device Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2015-12-08
9158250 Fixing device and image forming apparatus Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2015-10-13
9152106 Fixing device and image forming apparatus including same Yoshiki Yamaguchi, Takayuki Seki, Yuji Arai, Yutaka Ikebuchi, Shuntaroh Tamaki +10 more 2015-10-06
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
9128426 Fixing device and image forming apparatus including same Ippei Fujimoto, Akira Shinshi, Yoshiki Yamaguchi, Shuntaroh Tamaki, Hiroshi Yoshinaga +3 more 2015-09-08
9104162 Conveyor system and image forming apparatus including same Yoshiki Hozumi, Yasufumi Takahashi, Masaharu Furuya, Naomi Sugimoto, Kazuchika Saeki 2015-08-11
9069304 Image forming apparatus Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, 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
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
9046838 Fixing device and image forming apparatus Yuji Arai, Takayuki Seki, Yoshiki Yamaguchi, Shuntaroh Tamaki, Yutaka Ikebuchi +17 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
9046833 Fixing device and image forming apparatus incorporating same Takayuki Seki, Yuji Arai, Yoshiki Yamaguchi, Shuntaroh Tamaki, Yutaka Ikebuchi +2 more 2015-06-02
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, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura +12 more 2015-05-12
9026024 Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same Tadashi Ogawa, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +13 more 2015-05-05