HY

Hiroshi Yoshinaga

Ricoh Company: 19 patents #2 of 1,810Top 1%
FC Fujicco Co.: 1 patents #1 of 4Top 25%
Overall (2017): #1,597 of 506,227Top 1%
20
Patents 2017

Issued Patents 2017

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
9851667 Fixing device and image forming apparatus Takayuki Seki, Kenji Ishii, Kazuhito Kishi, Takashi Seto, Ippei Fujimoto +1 more 2017-12-26
9851663 Fixing device and image forming apparatus Shohta Kobashigawa, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Takashi Seto +6 more 2017-12-26
9846397 Fixing device including a supplementary thermal conductor and image forming apparatus incorporating same Kazunari Sawada, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Ippei Fujimoto +1 more 2017-12-19
9829840 Fixing device and image forming apparatus Takashi Seto, Kenji Ishii, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa +6 more 2017-11-28
9811031 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 2017-11-07
9778606 Fixing device and image forming apparatus Takayuki Seki, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa, Kenji Ishii +4 more 2017-10-03
9727011 Image forming apparatus and image forming method Yutaka Ikebuchi, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu, Shuntaro Tamaki +5 more 2017-08-08
9727008 Fixing device and image forming apparatus including the fixing device Teppei Kawata, Masahiko Satoh, Kenji Ishii, Masaaki Yoshikawa, Takeshi Uchitani +13 more 2017-08-08
9715198 Fixing device and image forming apparatus Takamasa Hase, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2017-07-25
9715203 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more 2017-07-25
9690243 Image forming apparatus including a fixing device that includes a radiant heat heating source and a fixing member that rotates before an abnormality solved Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2017-06-27
9678460 Fixing device, image forming apparatus, and fixing method Takamasa Hase, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa, Kenji Ishii +6 more 2017-06-13
9651905 Fixing device and image forming apparatus Ippei Fujimoto, Kazuhito Kishi, Takashi Seto, Takayuki Seki, Kazunari Sawada +5 more 2017-05-16
9639042 Fixing device and image forming apparatus Kenji Ishii, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa, Kazuhito Kishi +5 more 2017-05-02
9618887 Fixing device and image forming apparatus Hiromasa Takagi, Kenji Ishii, Kazuhito Kishi, Takashi Seto, Takayuki Seki +2 more 2017-04-11
9612556 Fixing device and image forming apparatus Yasuhiko Ogino, Kenji Ishii, Takashi Seto, Ippei Fujimoto, Kazuhito Kishi +6 more 2017-04-04
9612555 Fixing device, image forming apparatus, and fixing method for conveying toner images Kenji Ishii, Kazuhito Kishi, Takashi Seto, Takayuki Seki, Ippei Fujimoto +4 more 2017-04-04
9566662 Method for manufacturing mill roll, mill roll and manufacturing apparatus of mill roll Kenji Kimura, Akio Sonoda, Hideaki Nagayoshi 2017-02-14
9557692 Fixing device and image forming apparatus Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Naoki Iwaya +9 more 2017-01-31
9535380 Fixing device and image forming apparatus Toshihiko Shimokawa, Yutaka Ikebuchi, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu +9 more 2017-01-03