KT

Katsuhiko Tanaka

Canon: 16 patents #4,160 of 19,416Top 25%
Nsk: 14 patents #87 of 1,559Top 6%
Fujitsu Limited: 14 patents #2,150 of 24,456Top 9%
MC Murata Manufacturing Co.: 8 patents #980 of 5,295Top 20%
NC Nippon Seiko Co.: 7 patents #11 of 315Top 4%
NE Nec: 6 patents #2,374 of 14,502Top 20%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
FC Funai Electric Co.: 5 patents #204 of 943Top 25%
Ngk Spark Plug Co.: 5 patents #370 of 1,594Top 25%
Samsung: 4 patents #25,854 of 75,807Top 35%
NC Nippondenso Co.: 4 patents #582 of 3,479Top 20%
PS Ps4 Luxco S.A.R.L.: 2 patents #84 of 276Top 35%
EM Elpida Memory: 2 patents #267 of 692Top 40%
TI Tokyo Electric Power Company Holdings, Incorporated: 2 patents #90 of 711Top 15%
AS Asaca: 2 patents #4 of 18Top 25%
FL Fujitsu Takamisawa Component Limited: 1 patents #67 of 113Top 60%
FL Fujitsu Component Limited: 1 patents #204 of 281Top 75%
TT Tokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #14,757 of 4,157,543Top 1%
99
Patents All Time

Issued Patents All Time

Showing 51–75 of 99 patents

Patent #TitleCo-InventorsDate
6033118 Hydro-dynamic fluid bearing device and manufacturing method of the same Hiromitsu Asai, Ikunori Sakatani, Hiromitsu Muraki 2000-03-07
6028360 Semiconductor integrated circuit device in which a conductive film is formed over a trap film which in turn is formed over a titanium film Yoshitaka Nakamura, Tsuyoshi Tamaru, Naoki Fukuda, Hidekazu Goto, Isamu Asano +5 more 2000-02-22
5998765 Ceramic glow plug Takanori Mizuno 1999-12-07
5930550 Processing agent introducing apparatus 1999-07-27
5930498 Apparatus for stably producing discreted grid points 1999-07-27
5901031 Variable capacitor Tsutomu Ishige, Yasuhiro Negoro, Yuji Iyoda, Yasutaka Fujii 1999-05-04
5882122 Rolling bearing and spindle apparatus Shoji Noguchi, Ikunori Sakatani, Keisuke Kimura, Kazuhiro Uemura, Hiroshi Nakajima +1 more 1999-03-16
5683183 Spindle device and bearing device therefor Hiromitsu Muraki, Ikunori Sakatani 1997-11-04
5656125 Photographic film splicer and method of splicing photographic films 1997-08-12
5566897 Photographic film take-up device and method Atsushi Yago 1996-10-22
5555067 Photographic film separating device and separation method Atsushi Yago, Makoto Saotome 1996-09-10
5508139 Magnetic toner for developing electrostatic image Takayuki Nagatsuka, Rika Doi 1996-04-16
5488863 Angular velocity sensor making use of tuning fork vibration Yoichi Mochida, Kazufumi Moriya, Tomoyasu Hasegawa, Kennichi Atsuchi 1996-02-06
5360183 Photographic film cassette having a film anchor Koichi Takahashi 1994-11-01
5356749 Imaging method comprising a developer having a novel guanidine type compound Kazuyoshi Hagiwara 1994-10-18
5327417 Optical disk drive and read/write apparatus Hideki Okatani, Michihiro Kuramochi, Tetsuji Aoyagi 1994-07-05
5325144 Photographic film curling correcting method and apparatus Sumio Yoshikawa 1994-06-28
5306588 Treated silica fine powder and toner for developing electrostatic images Tsuyoshi Takigushi, Rika Doi 1994-04-26
5292085 Method of accommodating photographic film with enlongated leader member in photographic-film cartridge Junichi Tsuji 1994-03-08
5288579 Developer for developing electrostatic image, image forming apparatus, apparatus unit and facsimile apparatus Kazuyoshi Hagiwara, Tsuyoshi Takiguchi, Rika Doi 1994-02-22
5289067 Bearing device Ikunori Sakatani, Takeyuki Yoshiba, Shigeru Endo 1994-02-22
5246810 Guanidine type compound, toner for developing electrostatic images, developer for developing electrostatic images Kazuyoshi Hagiwara 1993-09-21
5214208 Toner containing a dimer of diarylguanidine type compound for developing electrostatic image Kazuyoshi Hagiwara 1993-05-25
5207332 Apparatus for classifying photographic films 1993-05-04
5165619 Method of accommodating photographic film with elongated leader member in photographic-film cartridge Junichi Tsuji 1992-11-24