Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KY

Koji Yano — 110 Patents

Sony: 36 patents #848 of 25,231Top 4%
Canon: 18 patents #3,676 of 19,416Top 20%
FLFuruno Electric Company Limited: 14 patents #9 of 407Top 3%
Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
JSJfe Steel: 7 patents #245 of 1,401Top 20%
MCMita Industrial Co.: 4 patents #345 of 891Top 40%
MCMitsumi Electric Co.: 3 patents #259 of 935Top 30%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Panasonic: 3 patents #7,617 of 21,108Top 40%
CCChang Chun Plastics Co.: 2 patents #33 of 150Top 25%
WCWacom Co.: 2 patents #187 of 357Top 55%
AUAudio-Technica: 2 patents #83 of 180Top 50%
KSKawasaki Steel: 2 patents #570 of 1,922Top 30%
LELeader Electronics: 2 patents #13 of 60Top 25%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
TTThe University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
NDNisshinbo Micro Devices: 1 patents #15 of 32Top 50%
SCSumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
YEYaskawa Electric: 1 patents #557 of 1,006Top 60%
UYUniversity Of Yamanashi: 1 patents #62 of 152Top 45%
Overall (All Time): #11,786 of 4,157,543Top 1%
110 Patents All Time

Issued Patents All Time

Showing 101–110 of 110 patents

Patent #TitleCo-InventorsDate
5535185 Information recording/reproduction apparatus using probe Etsuro Kishi, Hisaaki Kawade, Kiyoshi Takimoto 1996-07-09
5481529 Scanning probe microscope for observing a sample surface while applying an AC bias voltage between the sample and a probe Kiyoshi Takimoto, Hisaaki Kawade, Etsuro Kishi 1996-01-02
5308702 Iron-based powder composition for use in powder metallurgy, process for its production and process for producing iron-base sintered material Osamu Furukimi, Shigeaki Takajo 1994-05-03
5247369 Image transmission system Atsushi Nakamura 1993-09-21
4963454 Method for developing electrostatic images using magnetic brush Nobuhiro Miyakawa, Teruaki Higashiguchi, Kazuo Yamamoto, Yoshinobu Kawakami 1990-10-16
4804393 Methods for producing optical fiber preform and optical fiber Minoru Watanabe, Michihisa Kyoto, Masao Hoshikawa 1989-02-14
4693738 Method for producing glass preform for optical fiber Masao Hoshikawa, Michihisa Kyoto, Gotaro Tanaka 1987-09-15
4614698 Two-component electrophotographic developer with magnetic carrier Nobuhiro Miyakawa, Kazuo Yamamoto, Teruaki Higashiguchi, Yoshinobu Kawakami 1986-09-30
4607936 Electrophotographic apparatus comprising photosensitive layer of amorphous silicon type photoconductor Nobuhiro Miyakawa, Teruaki Higashiguchi, Kazuo Yamamoto, Yoshinobu Kawakami 1986-08-26
4592643 Copying machine having reduced image memory Teruaki Higashiguchi, Nobuhiro Miyakawa, Kazuo Yamamoto, Yoshinobu Kawakami 1986-06-03