TF

Tadashi Fukuda

Canon: 31 patents #1,730 of 19,416Top 9%
SI Sumitomo Metal Industries: 3 patents #222 of 1,462Top 20%
PR Proterial: 2 patents #70 of 267Top 30%
Tdk: 2 patents #1,902 of 3,796Top 55%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Overall (All Time): #69,280 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
9110431 Image forming apparatus 2015-08-18
9086644 Charging device Masami Hano 2015-07-21
8774649 Image forming apparatus Shinya Suzuki, Takuya Hori 2014-07-08
8509631 Image forming apparatus 2013-08-13
8345317 Copying apparatus Masahiro Makino, Sumito Tanaka 2013-01-01
7858201 Titanium oxide photocatalyst, method for producing same and use thereof Yasuhiro Masaki, Katsuhiro Nishihara, Rie Katsui 2010-12-28
7558516 Image forming apparatus wherein a carrier weight ratio in a first supply container and carrier weight ratio in a second supply container are substantially equal to each other Tadayoshi Nishihama 2009-07-07
7430389 Image forming apparatus with transparent toner developer Akihiro Noguchi, Tadayoshi Nishihama, Kota Arimoto 2008-09-30
7349653 Developing apparatus and image forming method featuring colored and transparent toners Tadayoshi Nishihama, Kota Arimoto, Akihiro Noguchi 2008-03-25
7349655 Developing device and method of forming images Kota Arimoto, Tadayoshi Nishihama, Akihiro Noguchi 2008-03-25
7236727 Image forming apparatus 2007-06-26
6987934 Image forming apparatus Yuji Bessho, Koji Masuda 2006-01-17
6926558 Modular jack Hiroshi Sasai, Mutsumi Kinoshita, Mitsutaka Yasuda 2005-08-09
6215386 Coil device Katsuhiro Gokita, Mutsumi Kinoshita, Hiroshi Sasai, Kazuhiko Umeda, Toshio Chamura 2001-04-10
5815286 Method and apparatus for producing halftone image with threshold matrix Masayoshi Matsuba, Yoshio Ono 1998-09-29
5284530 Duplex stainless steel having improved corrosion resistance Shigeki Azuma, Takeo Kudo 1994-02-08
5056209 Process for manufacturing clad metal tubing Yoshihisa Ohashi, Mutsuo Nakanishi, Shigeharu Takai, Junichi Kikuchi, Nobushige Hiraishi 1991-10-15
4911474 Motorcycle frame 1990-03-27