HS

Hiroshi Seo

Ricoh Company: 55 patents #171 of 9,818Top 2%
AC Asahitec Co.: 2 patents #6 of 29Top 25%
Pioneer: 2 patents #761 of 1,730Top 45%
CI Chubu Electric Power Company, Incorporated: 1 patents #104 of 314Top 35%
NL Noritake Co., Limited: 1 patents #133 of 334Top 40%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #37,803 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
8948641 Fixing device and control method used therein Ippei Fujimoto, Ryota Yamashina, Takumi Waida 2015-02-03
8811842 Fixing device and image forming apparatus Takamasa Hase, Masanao Ehara, Kenji Ishii, Tadashi Ogawa, Satoshi Ueno +2 more 2014-08-19
8774666 Fixing device and image forming apparatus incorporating same Kazuya Saito, Takeshi Uchitani, Takamasa Hase, Shuutaroh Yuasa, Ippei Fujimoto +3 more 2014-07-08
8761626 Fixing apparatus and image forming apparatus 2014-06-24
8755733 Fixing device, fixing method, image forming apparatus, and image forming method Masanao Ehara, Tadashi Ogawa, Satoshi Ueno, Shuutaroh Yuasa 2014-06-17
8718502 Fixing device and image forming apparatus incorporating same having a tube which penetrates through a heater and passes infrared rays to a temperature detector Shuutaroh Yuasa, Masanao Ehara, Tadashi Ogawa, Satoshi Ueno, Teppei Kawata +4 more 2014-05-06
8706016 Fixing device and image forming apparatus incorporating the fixing device Takahiro Imada, Masanao Ehara, Tadashi Ogawa, Satoshi Ueno, Takamasa Hase +1 more 2014-04-22
8626018 Fixing unit and image forming apparatus Tadashi Ogawa, Masanao Ehara, Satoshi Ueno, Takahiro Imada, Takamasa Hase 2014-01-07
8588628 Fixing device and image forming apparatus Tadashi Ogawa, Masanao Ehara, Satoshi Ueno, Takamasa Hase, Shuutaroh Yuasa 2013-11-19
8543046 Fixing device, image forming apparatus incorporating same, and fixing method Masanao Ehara, Tadashi Ogawa, Satoshi Ueno, Shuutaroh Yuasa 2013-09-24
8494434 Fixing device and image forming apparatus incorporating the fixing device Takamasa Hase, Masanao Ehara, Kenji Ishii, Tadashi Ogawa, Satoshi Ueno +1 more 2013-07-23
8488981 Fixing device and image forming apparatus using the same Shuutaroh Yuasa, Masanao Ehara, Tadashi Ogawa, Satoshi Ueno, Takamasa Hase 2013-07-16
8463166 Fixing device and image forming apparatus Satoshi Ueno, Masanao Ehara, Tadashi Ogawa, Takamasa Hase, Takahiro Imada +1 more 2013-06-11
8447199 Fixing device and image forming apparatus including same Satoshi Ueno, Masanao Ehara, Tadashi Ogawa, Takahiro Imada, Takamasa Hase 2013-05-21
8385797 Fixing device and image forming apparatus incorporating same Tadashi Ogawa, Masanao Ehara, Kenji Ishii, Satoshi Ueno 2013-02-26
8346117 Fixing device and image forming apparatus using same Kenji Ishii, Tadashi Ogawa, Satoshi Ueno, Masanao Ehara 2013-01-01
8185030 Fixer, image forming apparatus including same, and fixing method Takamasa Hase 2012-05-22
8175480 Fixing device including plural demagnetizing coils and image forming apparatus Takamasa Hase 2012-05-08
8112023 Image forming apparatus and fixing device Akiko Ito, Tadashi Ogawa, Toshiaki Higaya 2012-02-07
8050607 Image forming apparatus, fixing unit, and image forming method with a cleaning mechanism that contacts a tension mechanism Akira Shinshi 2011-11-01
8014711 Fixing unit having enhanced temperature control and image forming apparatus using the same Akiko Ito, Tadashi Ogawa 2011-09-06
7938940 Support for oxygen separation membrane element and the element using the same Akihiro Kawahara, Shigeo Nagaya 2011-05-10
7885590 Image forming apparatus and fixing device Akiko Ito, Tadashi Ogawa, Toshiaki Higaya 2011-02-08
7817952 Fixer and image forming apparatus including the same Akiko Ito, Tadashi Ogawa, Toshiaki Higaya 2010-10-19
7801457 Fixing device, image forming apparatus including the fixing device, and fixing method Akiko Ito, Tadashi Ogawa, Satoshi Ueno, Kenji Ishii 2010-09-21