HF

Hidehiko Fujiwara

Ricoh Company: 35 patents #475 of 9,818Top 5%
NI Nec Infrontia: 6 patents #16 of 197Top 9%
RC Rioch Company: 1 patents #1 of 30Top 4%
Overall (All Time): #73,264 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7962082 Fixing device, image forming apparatus, and fixing method having an expanding/contracting contacting member Toshiaki Takahashi, Manabu Nonaka 2011-06-14
7907869 Charging brush unit, charging device, and image forming apparatus Kohta Takenaka, Kazunori Bannai, Yu Wakabayashi 2011-03-15
7722031 Image forming apparatus including a sheet feed cassette capable of effectively transporting a sheet recording medium Mitsuru Yamada 2010-05-25
7643479 Communication transfer apparatus and communication transfer method Naoki Mori 2010-01-05
7590103 Adaptor serving for both mobile phone unit and private IP phone unit Yoshikazu Kobayashi 2009-09-15
7567539 Wireless LAN system, communication terminal, LAN control apparatus and QoS control method Yoshikazu Kobayashi 2009-07-28
7215968 Positional information tracking and forwarding method for conducting optimal forward destination control in conformity to actual situations of user 2007-05-08
7013108 Fixing device and image forming device Kohta Takenaka, Masahiko Kamijoh 2006-03-14
6907218 Image forming device and communication device Masahiko Kamijoh, Kohta Takenaka 2005-06-14
6801744 Image fixing device and image forming device having low friction and low abrasion characteristics Masahiko Kamijoh, Kohta Takenaka 2004-10-05
6788916 Fixing device and image forming device Kohta Takenaka, Masahiko Kamijoh 2004-09-07
6731900 Fixing and image forming devices comprising thin heated sheets Kohta Takenaka, Masahiko Kamijoh 2004-05-04
6731902 Fixing device and image forming device Kohta Takenaka, Masahiko Kamijoh 2004-05-04
6658222 Method and apparatus for image forming capable of effectively performing a fixing process Masahiko Kamijo, Kohta Takenaka, Osamu Kiuchi 2003-12-02
6542712 Method and apparatus for toner image fixing using a sheet-shaped pressing member Masahiko Kamijo, Kota Takenaka, Osamu Kiuchi 2003-04-01
6151466 Fixing device including vented chamber-like area 2000-11-21
5058877 Automatic cut-sheet feeding apparatus Hideyo Watanabe, Hiroyuki Idenawa 1991-10-22