SF

Shigeru Fujiwara

KT Kabushiki Kaisha Toshiba: 22 patents #1,311 of 21,451Top 7%
TK Toshiba Tec Kabushiki Kaisha: 18 patents #155 of 1,664Top 10%
AH Asahi Group Holdings: 4 patents #3 of 107Top 3%
TC Tokyo Gas Co.: 3 patents #46 of 412Top 15%
TK Toshiba Kikai: 3 patents #155 of 713Top 25%
CL Cxr Limited: 3 patents #3 of 11Top 30%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
CC Calpis Co.: 1 patents #33 of 64Top 55%
SC Shibaura Machine Co.: 1 patents #36 of 77Top 50%
SM Shin Caterpillar Mitsubishi: 1 patents #64 of 184Top 35%
TC Tec Co.: 1 patents #45 of 177Top 30%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #60,565 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7503189 Press forming machine for glass Satoshi Fukuyama, Yuki Sugiura 2009-03-17
7466464 Image forming apparatus and image forming method Rintaro Nakane, Hideaki Fukaya 2008-12-16
7236276 Image forming apparatus and image forming method Rintaro Nakane, Hideaki Fukaya 2007-06-26
6529694 Image forming apparatus with density control Hideaki Fukaya, Rintaro Nakane 2003-03-04
5606397 Developing unit for developing a latent image formed on an image carrier by contacting a thin layer of toner Toshirou Honda, Minoru Tezuka 1997-02-25
5512982 Image-forming apparatus with a photosensitive member and a charging device having an oscillatory voltage source Masashi Takahashi, Minoru Yoshida, Takeshi Watanabe 1996-04-30
5486907 Brush charging device for an image forming apparatus and a method for manufacturing the same Takeshi Watanabe, Minoru Yoshida, Masashi Takahashi 1996-01-23
5483271 Electrostatic latent image forming apparatus having a plurality of photoelectric converters Tadayoshi Ohno, Koji Tanimoto, Mamoru Mizuguchi 1996-01-09
5469248 Image forming apparatus having means for applying a common transfer bias voltage to first and second transfer rollers Masashi Takahashi, Haruhiko Ishida 1995-11-21
5461312 Remote field eddy current sensor for detecting flaws in metal material Yasuharu Hosohara, Kiwamu Suzuki, Toshihide Kawabe 1995-10-24
5455661 Charging device for an image forming apparatus Minoru Yoshida, Takeshi Watanabe, Masashi Takahashi 1995-10-03
5365169 Remote field eddy current flaw detector for metal material including attenuator, adder, phase shiftery and phase comparator Yasuharu Hosohara, Kiwamu Suzuki, Toshihide Kawabe 1994-11-15
5311964 Apparatus for controlling a front wheel driving force for use in an all wheel drive asphalt finisher Yukitaka Miyazaki, Takafumi Fujimoto 1994-05-17
5276486 Image forming device Tadayoshi Ohno, Koji Tanimoto, Mamoru Mizuguchi 1994-01-04
5266997 Electrophotographic image forming apparatus including means for correcting density drift Rintaro Nakane, Jiro Egawa 1993-11-30
5210492 Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal Yasuharu Hosohara, Kiwamu Suzuki, Toshihide Kawabe 1993-05-11
5196886 Electrophotographic image forming apparatus including means for correcting density drift Rintaro Nakane, Jiro Egawa 1993-03-23
5181970 Process for production of stainless steel thin strip and sheet having superior surface gloss and high rusting resistance Masanori Ueda, Masamitsu Tsuchinaga, Teruo Iura 1993-01-26
5140370 Image forming apparatus for forming a master copy Toshihiro Kasai, Tatsuya Tsujii 1992-08-18
4866480 Developing apparatus using one-component non-magnetic toner Masahiro Hosoya, Tsutomu Uehara 1989-09-12
4458161 Electret device Hiroto Wada 1984-07-03
4302372 Non-fired silicon carbide refractories Masayosi Nagahara, Satoshi Nagai, Toshihiro Isobe 1981-11-24