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 351–375 of 462 patents

Patent #TitleCo-InventorsDate
5914495 Inspection apparatus for inspecting a defect of an optical disc Shigeki Ishizuka, Akira Nikami, Mitsuru Sato, Yoshitake Yanagisawa 1999-06-22
5913077 Image reader incorporated in electro-developing type camera and electro-developing recording medium used therein Yasuhiro Yamamoto, Tahei Morisawa, Masato Okabe, Hironori Kamiyama, Osamu Shimizu +1 more 1999-06-15
5907731 Dark current sensing device and recording operation control device 1999-05-25
5905526 Apparatus for generating image signal 1999-05-18
5903707 Image signal processing device in which a frame is divided into a plurality of parts Yasuhiro Yamamoto 1999-05-11
5892986 Image erasing device Yasuhiro Yamamoto 1999-04-06
5889734 Electronic timepiece 1999-03-30
5885482 Liquid crystal device, production process thereof and liquid crystal apparatus Masanobu Asaoka, Yukio Hanyu, Kenji Shinjo, Masahiro Terada, Shosei Mori +4 more 1999-03-23
5884109 Electro-developing type camera using electro-developing recording medium Masato Okabe, Hironori Kamiyama, Osamu Shimizu, Yuudai Yamashita 1999-03-16
5881322 Electronic development type camera 1999-03-09
5861915 Temperature-dependant, frequency-compensated hand deviation correction device for video camera Jun Nagai 1999-01-19
5860035 Image recording and reproducing device 1999-01-12
5858269 Liquid crystal device and liquid crystal apparatus Kenji Shinjo, Masahiro Terada, Syuji Yamada 1999-01-12
5858895 Heat-resistant glass Hirozi Sagara 1999-01-12
5853920 Method of manufacturing zinc-titanium mother alloy and manganese dry battery Hajime Murakami, Ryohei Ashihara, Kohei Kubota 1998-12-29
5841497 Liquid crystal device and liquid crystal apparatus Kenji Shinjo, Masahiro Terada, Syuji Yamada 1998-11-24
5812227 Liquid crystal device, display apparatus using same and display method using same Yomishi Toshida, Kazuo Yoshinaga, Toshikazu Ohnishi, Takeo Eguchi, Tsuyoshi Shibata 1998-09-22
5812731 Signal processing apparatus for adding synchronizing signal to horizontal and vertical blanking periods of a color difference signal Yasuhiro Yamamoto 1998-09-22
5778260 Device for controlling developing operation of electro-developing type camera Masato Okabe, Hironori Kamiyama, Osamu Shimizu, Yuudai Yamashita 1998-07-07
5770900 Stepper motor Hiroyasu Numaya 1998-06-23
5768634 Hand deviation correction apparatus Jun Nagai 1998-06-16
5753279 Injection stretch blow molding apparatus Minoru Takada, Kazuyuki Yokobayashi, Shyuichi Ogihara 1998-05-19
5753175 Method of molding a heat-resistant container and a set of molds for the method Kazuyuki Yokobayashi, Yoichi Tuchiya, Kazuya Kitamura 1998-05-19
5748833 Still video apparatus having data signal suppression 1998-05-05
5748829 Still image signal processing device employing pedestal level data Yasuhiro Yamamoto 1998-05-05