MY

Masaaki Yoshikawa

Ricoh Company: 12 patents #35 of 2,036Top 2%
DC Dena Co.: 1 patents #7 of 44Top 20%
Overall (2016): #3,132 of 481,213Top 1%
14
Patents 2016

Issued Patents 2016

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9507306 Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Takahiro Imada +13 more 2016-11-29
9454114 Fixing device and image forming apparatus including same Takamasa Hase, Masahiko Satoh, Kenji Ishii, Hiroshi Yoshinaga, Tadashi Ogawa +13 more 2016-09-27
9448514 Image forming apparatus and image forming method Yutaka Ikebuchi, Hiroshi Yoshinaga, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu +5 more 2016-09-20
9439070 User authentication system Toshiharu Sugiyama 2016-09-06
9405242 Fixing device and image forming device Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura +12 more 2016-08-02
9405250 Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same Tadashi Ogawa, Masahiko Satoh, Hiroshi Yoshinaga, Kenji Ishii, Takeshi Uchitani +12 more 2016-08-02
9405270 Fixing device and image forming apparatus incorporating same Tadashi Ogawa, Kenji Ishii, Teppei Kawata, Arinobu Yoshiura, Toshihiko Shimokawa +8 more 2016-08-02
9367010 Fixing device and image forming device Hiromasa Takagi, Masahiko Satoh, Kenji Ishii, Hiroshi Yoshinaga, Tadashi Ogawa +13 more 2016-06-14
9316972 Fixing device and image forming apparatus incorporating same Yuji Arai, Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura +8 more 2016-04-19
9310733 Fixing device and image forming apparatus including same Hiroshi Yoshinaga, 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, Kenji Ishii, Hiroshi Yoshinaga, Tadashi Ogawa +13 more 2016-03-22
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, Hiroshi Yoshinaga, Kenji Ishii, Tadashi Ogawa +15 more 2016-01-12