SF

Shigeo Fujita

SE Seiko Epson: 25 patents #652 of 7,774Top 9%
YC Yamamoto Chemicals: 15 patents #3 of 80Top 4%
MC Mita Industrial Co.: 12 patents #78 of 891Top 9%
UN Unknown: 7 patents #1,646 of 83,584Top 2%
AL Asahi Chemical Company, Limited: 4 patents #2 of 17Top 15%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
Ngk Spark Plug Co.: 3 patents #540 of 1,594Top 35%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
Nichia: 2 patents #761 of 1,531Top 50%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
HB Hgst Netherlands, B.V.: 2 patents #341 of 972Top 40%
Caltech: 1 patents #2,143 of 4,321Top 50%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
KC Kansai Technology Licensing Organization Co.: 1 patents #2 of 26Top 8%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
RK Rikagaku Kenkyusho: 1 patents #70 of 207Top 35%
HG HGST: 1 patents #1,032 of 1,677Top 65%
SC Seiwa Electric Mfg. Co.: 1 patents #2 of 10Top 20%
📍 Nagano, JP: #12 of 38 inventorsTop 35%
Overall (All Time): #23,860 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 26–50 of 78 patents

Patent #TitleCo-InventorsDate
7463859 Waste toner transporting device with screw for transporting waste toner to waste toner discharge port Hiroshi Ito, Hiroshi Ue, Saburo Furukawa, Toshihiko Yamazaki, Tatsuro Osawa 2008-12-09
7446212 Polymethine ethers Nobuaki Sasaki, Keiki Chichiishi, Sayuri Wada 2008-11-04
7348600 Nitride semiconductor device, and its fabrication process Yukio Narukawa, Isamu Niki, Axel Scherer, Koichi Okamoto, Yoichi Kawakami +1 more 2008-03-25
7239835 Image forming apparatus with contact/separation mechanism Hiroshi Ito, Shinichi Kamoshida, Toshihiko Yamazaki 2007-07-03
7231156 Image forming apparatus Tatsuro Osawa 2007-06-12
7209694 Image forming apparatus having a medium transporting belt formed in an endless shape and having a first and second region Toshihiko Yamazaki, Hiroshi Ito, Shinichi Kamoshida 2007-04-24
7171140 Image forming apparatus Nobuyuki Mizushima, Kuniaki Tanaka, Hiroshi Miyazawa 2007-01-30
7133631 Transfer device, with transfer pressure control Hiroshi Ito, Hiroshi Ue, Saburo Furukawa, Toshihiko Yamazaki, Tatsuro Osawa 2006-11-07
7112112 Method and apparatus for making a spark plug with a predetermined spark gap Shinichiro Mitsumatsu 2006-09-26
7113733 Image forming apparatus with moveable cleaning or transfer member Hiroshi Ito, Shinichi Kamoshida, Toshihiko Yamazaki 2006-09-26
7085523 Image forming apparatus having a medium transporting belt formed in an endless shape Toshihiko Yamazaki, Hiroshi Ito, Shinichi Kamoshida 2006-08-01
7058103 Light-emitting apparatus, phosphor, and method of producing it Masaya Ishida, Tatsuya Morioka, Daisuke Hanaoka, Mototaka Taneya, Yoichi Kawakami +3 more 2006-06-06
RE39105 Polymethine compounds, method of producing same, and use thereof Nobuaki Sasaki, Keiki Chichiishi, Yasuhisa Iwasaki 2006-05-23
6876009 Nitride semiconductor device and a process of manufacturing the same Yukio Narukawa, Isamu Niki, Axel Scherer, Koichi Okamoto, Yoichi Kawakami +1 more 2005-04-05
6790113 Method and apparatus for making spark plug 2004-09-14
6766124 Image forming apparatus and image forming method having speed control to improve throughput Keiichi Taguchi 2004-07-20
6716993 Polymethine compound and near-infrared absorbing material comprising same Nobuaki Sasaki, Keiki Chichiishi, Yasuhisa Iwasaki 2004-04-06
6554444 Gazing point illuminating device Jun Shimada, Yoichi Kawakami 2003-04-29
6468713 Phthalocyanine compounds, process for producing the same, and near infrared absorbent comprising the same Hiroshi Terao, Yojiro Kumagae 2002-10-22
6373020 Welding apparatus Tadashi Nakamura, Taiichiro Morishita 2002-04-16
6342335 Polymethine compounds, method of producing same, and use thereof Nobuaki Sasaki, Keiki Chichiishi, Yasuhisa Iwasaki 2002-01-29
6334638 Attachment structure for bumper beam Shirou Yamamuro 2002-01-01
6329626 Welding apparatus Shigeya Yamaguchi, Kazushi Otsuka, Kenichi Takahashi 2001-12-11
6261737 Polymethine compounds, method of producing same, and use thereof Nobuaki Sasaki, Yasuhisa Iwasaki 2001-07-17
6093832 Diiminoisoindoline compound and the process for producing the compound and use thereof Yojiro Kumagae, Toshihiro Masaoka, Tsunehito Eda 2000-07-25