IN

Isao Nakajima

HC Hitachi Koki Co.: 22 patents #26 of 888Top 3%
TO Toyota: 15 patents #1,771 of 26,838Top 7%
HI Hitachi: 13 patents #3,142 of 28,497Top 15%
NI Ngk Insulators: 9 patents #362 of 2,083Top 20%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
RS Ricoh Printing Systems: 5 patents #20 of 200Top 10%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
TO Tonen: 2 patents #77 of 264Top 30%
DC Dow Corning Toray Silicone Company: 1 patents #139 of 246Top 60%
HI Hitchi: 1 patents #1 of 56Top 2%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
SO Sony: 1 patents #17,262 of 25,231Top 70%
HS Hitachi Printing Solutions: 1 patents #50 of 99Top 55%
Overall (All Time): #30,079 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 26–50 of 69 patents

Patent #TitleCo-InventorsDate
7295794 Film loader for an image forming apparatus Akira Asaoka, Shuho Yokokawa, Akihiko Yamazaki 2007-11-13
6947617 Polarized wave scrambler and optical signal transmission apparatus 2005-09-20
6947698 Fixing apparatus of electrophotographic printer Sho Sawahata, Shuho Yokokawa, Tsukasa Onose, Ken Onodera, Yasuhide Nakazawa 2005-09-20
6927875 Printing system and printing method Hiroshi Ueno, Shuho Yokokawa 2005-08-09
6882819 Image forming apparatus for printing an image on both sides of a recording medium Masahiro Yagi, Kazutaka Sato, Kenji Asuwa 2005-04-19
6847788 System and method for equalizing transmission characteristics in wavelength division multiplexing optical communication system Shin-ichirou Harasawa 2005-01-25
6807245 PLO device Sadao Ibukuro, Setsuo Misaizu 2004-10-19
6601951 Printers and printing method Akitomo Kuwabara, Shuho Yokokawa, Katsumi Ishizawa 2003-08-05
6603942 Image forming apparatus having belt-shaped carrier Kenji Asuwa, Kazutaka Sato, Masahiro Yagi, Yukio Otome, Akihiko Yamazaki 2003-08-05
6496672 Image production apparatus Kenji Asuwa, Kazutaka Sato, Satoshi Shirasawa, Shuho Yokokawa, Yukio Otome 2002-12-17
6445895 Image forming apparatus having a belt attaching/detaching mechanism Satoshi Shirasawa, Kazutaka Sato, Yukio Otome 2002-09-03
6285854 Image recording apparatus Shigeru Obata, Hidefumi Ohtsuka, Shuho Yokokawa, Akitomo Kuwabara 2001-09-04
6136049 Diesel fuel oil composition Takashi Hino 2000-10-24
6136050 Diesel fuel oil composition Kazuyuki Murakami, Takashi Hino 2000-10-24
6130408 Recording apparatus with conveyed recording sheet heated by movable heater Hiromitsu Fukuda, Hidefumi Ohtsuka, Chikara Hiraoka, Shuho Yokokawa, Yoji Hirose +1 more 2000-10-10
6104907 Image recording apparatus which prevents variation in speed of a recording medium and reduces shift values thereof Shigeru Obata, Hidefumi Ohtsuka, Shuho Yokokawa, Akitomo Kuwabara 2000-08-15
6028269 Set of hollow and tapered composite insulators with a one piece core Shigehiko Kunieda, Yusuke Utsumi 2000-02-22
5961864 Toner image heating device Akihiko Yamazaki, Akitomo Kuwabara, Yoji Hirose, Hidefumi Ohtsuka, Hiromitsu Fukuda 1999-10-05
5855553 Remote surgery support system and method thereof Fujio Tajima, Masakatsu Fujie, Hiroshi Takeuchi, Toshihiko Wada 1999-01-05
5834110 Polymer insulator Hidenobu Misawa, Yukihiro Koshino 1998-11-10
5818496 Exposure device of electrophotographic apparatus with optical path position deciding device Youji Hirose, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Muneyoshi Akai +7 more 1998-10-06
5802444 Electrophotographic apparatus for a continuous strip of paper sheets fixed by a heat fixing unit Youichi Takeuchi, Akihiko Yamazaki, Shuho Yokokawa, Kunitomo Takahashi, Kazuhiro Shimojima +2 more 1998-09-01
5774777 Continuous recording medium friction-conveying mechanism in image forming apparatus Hidefumi Ohtsuka, Shigeru Obata, Junichi Matsuno, Yasuyuki Tsuji, Shuho Yokokawa +2 more 1998-06-30
5702731 Lateral type molding apparatus for the production of composite insulators Koji Hayakawa, Yusuke Utsumi 1997-12-30
5652949 Preheating controller for a two-stage electrophotographic printing system Hiroyuki Ogawa, Shuho Yokokawa, Hiroshi Hakuta, Takao Chikuzenya, Hiroshi Ueno 1997-07-29