HO

Hajime Oyama

SU Subaru: 45 patents #3 of 1,684Top 1%
Ricoh Company: 42 patents #327 of 9,818Top 4%
SU Subaru: 21 patents #19 of 1,436Top 2%
Mazda Motor: 5 patents #800 of 4,755Top 20%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
ME Mitsubishi Engineering-Plastics: 2 patents #49 of 163Top 35%
Overall (All Time): #10,747 of 4,157,543Top 1%
115
Patents All Time

Issued Patents All Time

Showing 76–100 of 115 patents

Patent #TitleCo-InventorsDate
7116932 Developing unit and image forming apparatus Nobutaka Takeuchi, Hiromitsu Takagaki, Takayuki Koike 2006-10-03
7084773 Wakefulness estimating apparatus and method 2006-08-01
7084772 Wakefulness estimating apparatus and method 2006-08-01
7034697 Awakening level estimation apparatus for a vehicle and method thereof 2006-04-25
7035575 Developing device, image forming apparatus, and process cartridge Hiroshi Ikeguchi, Katsuhiro Aoki, Daichi Yamaguchi, Yasuo Miyoshi 2006-04-25
7024141 Developing device and process cartridge for an image forming apparatus Nobutaka Takeuchi, Hiromitsu Takagaki, Takayuki Koike 2006-04-04
6983818 Steering control apparatus Takehiko Fujioka, Theerawat Limpibunterng, Noriyuki Inoue, Masaya Endo 2006-01-10
6938725 Steering control apparatus Takehiko Fujioka, Theerawat Limpibunterng, Noriyuki Inoue, Masaya Endo 2005-09-06
6901233 Image forming apparatus Katsuhiro Aoki, Tsukuru Kai, Osamu Ariizumi, Hisashi Shoji, Takashi Hodoshima +1 more 2005-05-31
6886656 Electric power steering apparatus Takehiko Fujioka, Theerawat Limpibunterng, Masahiko Kurishige, Hideyuki Tanaka 2005-05-03
6721516 Image forming apparatus Katsuhiro Aoki, Tsukuru Kai, Osamu Ariizumi, Hisashi Shoji, Takashi Hodoshima +1 more 2004-04-13
6686845 Driver's arousal level estimating apparatus for vehicle and method of estimating arousal level 2004-02-03
6658227 Development method apparatus, image formation and process cartridge for suppressing variation in toner charge Tsukuru Kai, Katsuhiro Aoki, Takashi Hodoshima, Yasuo Miyoshi, Ichiro Kadota 2003-12-02
6611672 Image forming apparatus, monocolor image forming apparatus, toner recycling apparatus and intermediate transfer member Katsuhiro Aoki, Tsumori Satoh, Misao Tanzawa, Yuuji Sawai, Mitsuru Takahashi +2 more 2003-08-26
6526248 Toner support member and developing device prevented from charging toner by friction Katsuhiro Aoki, Takashi Hodoshima 2003-02-25
6505014 Image forming apparatus and an image forming process unit Katsuhiro Aoki, Hisashi Shoji, Tsukuru Kai, Noriyoshi Tarumi, Takashi Hodoshima +1 more 2003-01-07
6463244 Image forming apparatus, developing device therefor and image forming process unit Katsuhiro Aoki, Takashi Hodoshima 2002-10-08
6265081 Integrally molded articles of polyamide resins Hiroshi Urabe, Tatsuya Hitomi 2001-07-24
5953568 Developing unit for an image forming apparatus having a magnetic rotating blade agitator Takatsugu Fujishiro, Nobuhiko Umezawa, Motonori Hanada 1999-09-14
5864733 Developing device for image forming apparatus Asami Mae, Manabu Mochizuki, Kentaro Matsumoto, Kenji Karashima, Kazuhiko Yuki +2 more 1999-01-26
5853831 Vibration welded hollow moldings of polyamide resin composition Hiroshi Urabe, Tatsuya Hitomi 1998-12-29
5822664 Developing machine which uses a developing agent including a toner and magnetic particles Seiji Oka, Yasushi Akiba, Kiyonori Tsuda 1998-10-13
5805965 Developing device for an image forming apparatus having developer distribution features Kiyonori Tsuda, Seiji Oka, Yasushi Akiba 1998-09-08
5771426 Developing device using a toner and carrier mixture Seiji Oka, Kiyonori Tsuda, Fumihiro Sasaki, Satoshi Mochizuki, Takahisa Kato 1998-06-23
5771429 Developing device capable of automatic toner content control Seiji Oka, Kiyonori Tsuda, Yasushi Akiba 1998-06-23