JO

Jun Okamoto

Ricoh Company: 32 patents #573 of 9,818Top 6%
TO Toyota: 11 patents #2,600 of 26,838Top 10%
NT NTT: 10 patents #481 of 4,871Top 10%
SH Sumitomo Electric Hardmetal: 7 patents #63 of 278Top 25%
SN Sumitomo Electric Tool Net: 7 patents #1 of 10Top 10%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
TU Tokyo Women'S Medical University: 5 patents #5 of 90Top 6%
SU Shinshu University: 4 patents #14 of 261Top 6%
DE Denso: 4 patents #3,129 of 11,792Top 30%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
AC Alps Green Devices Co.: 2 patents #20 of 37Top 55%
FA Fanuc: 2 patents #952 of 1,735Top 55%
TC Toyobo Co.: 1 patents #227 of 498Top 50%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #22,059 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 76–81 of 81 patents

Patent #TitleCo-InventorsDate
5679462 Fixing apparatus Setsuo Soga, Toshiya Yabei, Yasuhiro Kohira 1997-10-21
5678153 Fixing apparatus comprising a cleaning roller having a coated layer of polyimide and polytetrafluoroethylene Setsuo Soga, Toshiya Yabei, Yasuhiro Kohira 1997-10-14
5648842 Methods and systems for cleaning residual toner from image-developing device Takeyoshi Sekine, Hiroshi Yamasita, Hiroyuki Fushimi, Makoto Ohsaki, Kouta Fujimdri +1 more 1997-07-15
5368760 Method for production of cystamine and alkylene oxide adduct thereof, additive for aqueous lubricant, and aqueous lubricant Yujiro Goto, Masao Kitano, Seiichi Suzuki 1994-11-29
5300996 Fixing apparatus Hiroshi Yokoyama, Yutaka Fukuchi, Atsushi Arai, Masahiko Sato, Toshiaki Higaya 1994-04-05
5234150 Method of manufacturing spotwise partial clad material Kazuhiro Yamamoto, Shin Nemoto, Susumu Okazaki 1993-08-10