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

Koichi Sato

Canon: 91 patents #145 of 19,416Top 1%
Kabushiki 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%
Sony: 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%
Denso: 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%
Nec: 5 patents #2,830 of 14,502Top 20%
Hitachi: 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%
Toyota: 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 376–400 of 462 patents

Patent #TitleCo-InventorsDate
5744409 Optical glass Kazuaki Hashimoto 1998-04-28
5744176 Injection stretch blow molding apparatus Minoru Takada, Kazuyuki Yokobayashi, Shyuichi Ogihara 1998-04-28
5728483 System for storing and utilizing hydrogen Shin Fujitani, Koichi Nishimura, Ikuo Yonezu, Koji Nishio 1998-03-17
5727116 Image signal recording device with divided signal frame Yasuhiro Yamamoto 1998-03-10
D388811 Overhead projector 1998-01-06
5688437 Liquid crystal composition, liquid crystal device using the composition, liquid crystal apparatus and display method Hiroyuki Kitayama, Kenji Shinjo, Katsutoshi Nakamura, Shinichi Nakamura 1997-11-18
5678299 Method for assembling an enclosed motor compressor of a two cylinder type using integral structures Tetsuya Mochizuki, Susumu Kawaguchi, Masatoshi Sakai, Hideaki Maeyama 1997-10-21
5673045 Digital-to-analog conversion circuit and analog-to-digital conversion device using the circuit Kazuhiro Tsuji 1997-09-30
5653437 Sheet discharger Yoshio Inoue, Atsuyuki Kitamura 1997-08-05
5655170 Electro-developing type camera using electro-developing recording medium Yasuhiro Yamamoto, Tahei Morisawa 1997-08-05
5641427 Liquid crystal composition, liquid crystal device using the composition liquid crystal apparatus and display method Kenji Shinjo, Hiroyuki Kitayama 1997-06-24
5637253 Chiral smectic liquid crystal compound, chain polymeric liquid crystal copolymer compound, their polymeric liquid crystal composition, a polymeric liquid crystal device which uses them, and apparatus and method which uses the same Kazuo Yoshinaga, Yomishi Toshida, Takeo Eguchi 1997-06-10
5631700 Camera having preview function 1997-05-20
5623305 Camera shake correcting apparatus having damping coils for yaw and pitch Shigeki Ishizuka, Akira Nikami, Mitsuru Sato 1997-04-22
5614125 Polymeric liquid-crystal compound, polymeric liquid-crystal composition, and polymeric liquid-crystal device Kazuo Yoshinaga, Yomishi Toshida, Takeo Eguchi 1997-03-25
5610840 Signal processing device Yasuhiro Yamamoto 1997-03-11
5606427 Video device for recording a high definition still image 1997-02-25
5595836 Manganese dry battery Eiji Tano, Shohei Nozaki, Ryohei Ashihara, Hajime Murakami, Kohei Kubota +1 more 1997-01-21
D377367 Electronic cash register Akihiko Miyahara 1997-01-14
5594553 Video signal recording and reproducing apparatus using signal modification to remove jitter 1997-01-14
5589130 Method of injection molding a preform and apparatus for the same Minoru Takada, Kazuyuki Yokobayashi 1996-12-31
5563715 Apparatus for reproducing recorded picture image signals Harumi Aoki 1996-10-08
5546192 Device for recording an image signal so that the resulting recorded signal has a smaller number of horizontal scanning lines in a field 1996-08-13
5540858 Display method and apparatus using chiral smectic liquid crystal Kazuo Yoshinaga, Hidetoshi Suzuki, Katsumi Kurematsu, Yomishi Toshida, Toshikazu Ohnishi +3 more 1996-07-30
5528380 Apparatus and method for synchronizing picture signals Yasuhiro Yamamoto 1996-06-18