HY

Hajime Yamamoto

Canon: 100 patents #104 of 19,416Top 1%
Sumitomo Electric Industries: 29 patents #524 of 21,551Top 3%
TK Toshiba Tec Kabushiki Kaisha: 28 patents #90 of 1,664Top 6%
BC Benriner Co.: 11 patents #1 of 1Top 100%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
NE Nec: 7 patents #2,006 of 14,502Top 15%
NS National Institute For Materials Science: 6 patents #50 of 901Top 6%
MC Mitsubishi Chemical: 6 patents #261 of 3,022Top 9%
ND Nitto Denko: 5 patents #655 of 2,479Top 30%
NI Nikon: 5 patents #754 of 2,493Top 35%
CC Citizen Electronics Co.: 4 patents #74 of 252Top 30%
Nichia: 4 patents #472 of 1,531Top 35%
FL Fujitsu Semiconductor Limited: 4 patents #161 of 1,301Top 15%
FL Fujitsu General Limited: 3 patents #92 of 325Top 30%
KO Kasei Optonix: 3 patents #24 of 142Top 20%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
ST Sandisk Technologies: 2 patents #967 of 2,224Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HM Hitachi Medical: 1 patents #371 of 680Top 55%
HC Hokuriku Electric Industry Co.: 1 patents #54 of 104Top 55%
IN Inoac: 1 patents #65 of 232Top 30%
MS Morita Seisakusho: 1 patents #53 of 109Top 50%
KC Koito Manufacturing Co.: 1 patents #610 of 1,047Top 60%
KC Kyoraku Co.: 1 patents #76 of 136Top 60%
SC Sansha Electric Manufacturing Co.: 1 patents #50 of 93Top 55%
TC Tec Co.: 1 patents #45 of 177Top 30%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Overall (All Time): #2,471 of 4,157,543Top 1%
229
Patents All Time

Issued Patents All Time

Showing 176–200 of 229 patents

Patent #TitleCo-InventorsDate
6201939 Color electrophotographic apparatus having a split toner reservoir Hiroshi Terada, Noboru Katakabe 2001-03-13
6172488 AC transmission system with reactance compensation Mami Mizutani, Yukitaka Monden, Masaaki Shigeta, Shigeru Tanaka, Hiroshi Uchino 2001-01-09
6155677 Ink jet recording head, an ink jet unit and an ink jet apparatus using said recording head Masashi Kitani, Hiroshi Sugitani, Yasuro Kashima, Masanori Takenouchi, Tadanobu Nagami +7 more 2000-12-05
6140766 Organic EL device Hiroyuki Okada, Shigeki Naka, Hiroyoshi Onnagawa, Morimitsu Wakabayashi, Shigeru Fukumoto +1 more 2000-10-31
6053098 Rotary root vegetable slicer 2000-04-25
6021303 Image heating device and image forming device using the same Hiroshi Terada, Akinori Toyoda, Yoshihito Urata, Nobuo Genji, Naoaki Ishimaru +2 more 2000-02-01
5956552 Color image forming apparatus comprising a regular mode and a high speed mode Noboru Katakabe, Hiroshi Terada, Masanori Yoshikawa, Kenji Asakura 1999-09-21
5948290 Method of fabricating an ink jet recording head Keiichi Murai 1999-09-07
D411833 Image scanner Masato Iwakawa, Toshiaki Mizushima 1999-07-06
D411520 Image scanner Masato Iwakawa, Toshiaki Mizushima 1999-06-29
5907483 Control system for power conversion system Naotaka Iio 1999-05-25
5854743 Control system for power conversion system 1998-12-29
5774150 Method for manufacturing ink jet head, ink jet head manufactured by such a method, and ink jet apparatus provided with such a head Junichi Kobayashi, Keiichi Murai, Shigeo Toganoh, Toshiaki Sasaki 1998-06-30
5738448 Ribbon cassette for printer Kozo Hara 1998-04-14
5737206 Control system for power conversion system 1998-04-07
5694684 Manufacturing method for ink jet recording head 1997-12-09
5612771 Multi-color electrophotographic printer having multiple image forming units for creating multiple toner images in registry Hiroshi Terada, Masahiko Nakamura 1997-03-18
5610701 Color electrophotographic apparatus and image forming units used therein Hiroshi Terada, Masahiko Nakamura 1997-03-11
5587783 Color electrophotographic apparatus having an intermediate transfer belt variable in speed Masahiko Nakamura, Hiroshi Terada 1996-12-24
5550619 Electrophotographic apparatus of improved low image density Hiroshi Komakine, Hiroshi Terada, Kazumasa Hayashi, Masahiro Aizawa 1996-08-27
5543901 Electrophotographic developing method using magnetic developing material and apparatus employed therefor Hiroshi Terada 1996-08-06
5488465 Electrophotographic developing method using magnetic developing material and apparatus employed therefor Hiroshi Terada 1996-01-30
5482660 Method for fabricating an ink jet head having improved discharge port formation face Keiichi Murai, Fujihiro Ito 1996-01-09
5446363 Method of controlling induction motor Ryoichi Kurosawa 1995-08-29
5363013 Phosphor and cathode-ray tube using the same Hidetsugu Matsukiyo, Teruki Suzuki, Yasuhiko Uehara, Yasukazu Morita, Yoshihiro Koseki +5 more 1994-11-08