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

Koichi Sato

Canon: 91 patents #145 of 19,416Top 1%
KTKabushiki Kaisha Toshiba: 62 patents #224 of 21,451Top 2%
PEPentax: 50 patents #16 of 761Top 3%
FIFujifilm Business Innovation: 31 patents #168 of 1,659Top 15%
SOSony: 24 patents #1,623 of 25,231Top 7%
HOHoya: 22 patents #28 of 1,290Top 3%
PEPentax: 16 patents #18 of 396Top 5%
NSNippon Steel: 16 patents #96 of 4,423Top 3%
NCNissei Asb Machine Co.: 15 patents #8 of 103Top 8%
NMNippon Steel & Sumitomo Metal: 15 patents #22 of 1,491Top 2%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
DEDenso: 8 patents #1,668 of 11,792Top 15%
NCNippon Seiki Co.: 8 patents #6 of 311Top 2%
Dai Nippon Printing Co.: 7 patents #325 of 2,222Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
S(Sealed Air Corporation (Us): 5 patents #39 of 278Top 15%
NENec: 5 patents #2,830 of 14,502Top 20%
HIHitachi: 4 patents #8,942 of 28,497Top 35%
ACAnden Co.: 4 patents #18 of 95Top 20%
TCToyoda Gosei Co.: 4 patents #572 of 2,296Top 25%
SCSanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
MCMitsui Mining & Smelting Co.: 3 patents #195 of 838Top 25%
CCCitizen Watch Co.: 3 patents #353 of 1,225Top 30%
PCPentax Ricoh Imaging Company: 3 patents #18 of 74Top 25%
Pioneer: 3 patents #574 of 1,730Top 35%
RERenesas Electronics: 3 patents #1,322 of 4,529Top 30%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
TCTaiyo Yuden Co.: 2 patents #481 of 959Top 55%
MLMagic Leap: 2 patents #463 of 665Top 70%
TPTohoku Pioneer: 2 patents #104 of 312Top 35%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
IBM: 2 patents #32,839 of 70,183Top 50%
FCFujitec Co.: 2 patents #6 of 78Top 8%
TOToyota: 2 patents #10,861 of 26,838Top 45%
FUFujifilm: 2 patents #2,431 of 4,519Top 55%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
AKAsahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
AKAsahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
AKAsahi Kogyo Kabushiki Kaisha: 1 patents #1 of 10Top 10%
CTChiba Institute Of Technology: 1 patents #11 of 57Top 20%
CCCitizen Holdings Co.: 1 patents #208 of 431Top 50%
DKDenki Kagaku Kogyo: 1 patents #291 of 655Top 45%
ENEneos: 1 patents #95 of 206Top 50%
FCFuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FLFujitsu Toshiba Mobile Communications Limited: 1 patents #30 of 113Top 30%
HEHitachi-Ge Nuclear Energy: 1 patents #139 of 313Top 45%
HGHGST: 1 patents #1,032 of 1,677Top 65%
HZHitachi Zosen: 1 patents #216 of 531Top 45%
ICIdemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
JEJx Nippon Oil & Energy: 1 patents #195 of 416Top 50%
KOKonica: 1 patents #1,290 of 1,958Top 70%
KCKuraray Co.: 1 patents #981 of 1,827Top 55%
KBKurashiki Boseki: 1 patents #73 of 175Top 45%
NENec Electronics: 1 patents #715 of 1,789Top 40%
NONippon Oil: 1 patents #392 of 773Top 55%
NCNippon Paint Holdings Co.: 1 patents #415 of 834Top 50%
NKNippon Seiki K.K.: 1 patents #1 of 11Top 10%
NCNippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
NCNitto Boseki Co.: 1 patents #172 of 339Top 55%
NLNoritake Co., Limited: 1 patents #133 of 334Top 40%
PCPolyplastics Co.: 1 patents #154 of 292Top 55%
RERensas Electronics: 1 patents #1 of 17Top 6%
SCStanley Electric Co.: 1 patents #550 of 1,072Top 55%
Stanford University: 1 patents #2,251 of 5,197Top 45%
TCThe Cannon Company: 1 patents #3 of 90Top 4%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
TSToshiba Medical Systems: 1 patents #656 of 1,088Top 65%
YEYokogawa Electric: 1 patents #658 of 1,441Top 50%
Kariya, CA: #1 of 20 inventorsTop 5%
Overall (All Time): #451 of 4,157,543Top 1%
462 Patents All Time

Issued Patents All Time

Showing 326–350 of 462 patents

Patent #TitleCo-InventorsDate
6068713 Hydrogen absorbing alloys and process for producing same Masaharu Yamaguchi, Haruyuki Inui, Koichi Nishimura, Shin Fujitani, Ikuo Yonezu +1 more 2000-05-30
6070021 Controller for controlling stoppage-timing of application of voltage to electro-developing recording medium 2000-05-30
6056834 Magnesium alloy and method for production thereof Kohei Kubota, Takashi Ogami, Tsutomu Sato, Mitsuharu Hoshiya, Yoichi Nosaka 2000-05-02
6023590 Image recording device Tetsuya Abe 2000-02-08
6019933 Injection stretch blow molding method with upright preform molding and inverted blow molding Minoru Takada, Kazuyuki Yokobayashi, Shuichi Ogihara 2000-02-01
6009248 Delay optimization system to conduct optimization for satisfying delay constraints on the circuit and method therefor Hideyuki Emura, Naotaka Maeda, Masamichi Kawarabayashi 1999-12-28
6001276 Liquid crystal device Masanobu Asaoka, Hideaki Takao, Masahiro Terada, Shinichi Nakamura, Ikuo Nakazawa 1999-12-14
5999715 Circuit delay optimizing using circuit arrangement, layout information, and wiring delay information 1999-12-07
5983038 White balance adjusting device Tahei Morisawa, Yasuhiro Yamamoto 1999-11-09
5983028 Usage control device 1999-11-09
5975880 Apparatus and method of molding heat-resistant containers Minoru Takada, Kazuyuki Yokobayashi, Kazuya Kitamura, Atsushi Sakurai 1999-11-02
5978611 Electro-developing type camera Yasuhiro Yamamoto, Tahei Morisawa, Makoto Mogamiya, Tetsuya Abe, Naoki Koshikawa 1999-11-02
5974275 Quality assessment device 1999-10-26
5972255 Injection stretch blow molding apparatus and method with discharge guide Minoru Takada, Kazuyuki Yokobayashi, Shuichi Ogihara 1999-10-26
5948317 Liquid crystal composition, liquid crystal device using the composition, liquid crystal apparatus and display method Hiroyuki Kitayama, Kenji Shinjo, Shinichi Nakamura, Katsutoshi Nakamura 1999-09-07
5946032 Camera shake correcting apparatus having damping coils for yaw and pitch Shigeki Ishizuka, Akira Nikami, Mitsuru Sato 1999-08-31
5943518 Voltage control device 1999-08-24
5943517 Electro-developing type still video camera using electro-developing recording medium and having memory-medium for storing image data read therefrom 1999-08-24
5940648 Electro-developing type camera using electro-developing recording medium 1999-08-17
5940649 Check device of electro-developing type camera 1999-08-17
5940646 Photographing operation control device Masato Okabe, Hironori Kamiyama, Osamu Shimizu, Yuudai Yamashita 1999-08-17
5937221 Electro-developing type camera Yasuhiro Yamamoto 1999-08-10
5932136 Liquid crystal device and liquid crystal apparatus Masahiro Terada, Yukio Hanyu, Hirokatsu Miyata, Syuji Yamada, Yasufumi Asao +1 more 1999-08-03
5933392 Electronic watch Fumio Kanno 1999-08-03
5930542 Reading operation control device Yasuhiro Yamamoto 1999-07-27