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 226–250 of 462 patents

Patent #TitleCo-InventorsDate
7331024 Power-consumption calculation method and apparatus Hiroshi Shibuya 2008-02-12
7328991 Ink and ink-applying process and apparatus using the same Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Junko Morioka, Takayuki Okawa 2008-02-12
7300971 Particle composition, recording method, and recording apparatus using the particle composition Ikuo Nakazawa, Tomonari Horikiri, Sakae Suda, Masayuki Ikegami 2007-11-27
7291668 Composition containing polymer having ionic functional group, ink composition, and image-forming method and image-forming apparatus employing the ink composition Masayuki Ikegami, Ikuo Nakazawa, Sakae Suda 2007-11-06
7271287 Process for producing aromatic hydroxycarboxylic acids Tatsuaki Yamaguchi 2007-09-18
7262950 Relay device having holding current stabilizing and limiting circuit Hirohisa Suzuki, Koichi Tsukada, Manabu Morita, Yoshifuru Nishino 2007-08-28
7256827 Image reading device with thinned pixel data 2007-08-14
7256976 Electrostatic discharge protective circuit and semiconductor integrated circuit using the same 2007-08-14
7193648 Photographing operation control device for electronic still camera 2007-03-20
7174095 Optical apparatus for observing object 2007-02-06
7157539 Polymerizable compound, polymer compound and block polymer compound, and composition, image-forming method and image-forming apparatus using the same Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Keiichiro Tsubaki 2007-01-02
7151156 Block polymer, polymer-containing composition, ink composition and liquid-discharging apparatus Masayuki Ikegami, Sakae Suda, Ikuo Nakazawa, Keiichiro Tsubaki 2006-12-19
7136578 Apparatus and method for recording and reproducing data, and AV server Norikazu Ito, Satoshi Yoneya, Masakazu Yoshimoto, Satoshi Katsuo, Jun Yoshikawa +4 more 2006-11-14
7136022 Radio apparatus Takashi Amano 2006-11-14
7105200 Method of producing thick-film sheet member Susumu Sakamoto, Masayuki Hiroshima, Shigeo Mori, Eiji Naraki, Hirotoshi Takechi 2006-09-12
7088395 Image-capturing apparatus Jun Takayama, Tetsufumi Takaba, Kyosei Miyata, Takao Hosaka, Takenori Kitada +1 more 2006-08-08
7084915 Apparatus for driving an image device 2006-08-01
7067590 Stimuli-responsive composition, and image-forming method and apparatus using the composition Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Sadahito Aoshima, Shinji Sugihara 2006-06-27
7061351 Complex relay device Hirohisa Suzuki 2006-06-13
7057680 Liquid crystal device having discotic liquid crystal and rod-shaped liquid crystal in mutually separate phases 2006-06-06
7056972 Composition containing stimuli-responsive polymer, ink composition containing it, and image-forming method and apparatus using the ink composition Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami 2006-06-06
7046281 Camera apparatus and image processing method Atsuhiro Kumagai 2006-05-16
7044592 Process for forming image with liquid droplets, image forming apparatus utilizing such process and process for ejecting and projecting liquid droplets Hidemasa Mizutani, Kazuharu Katagiri, Yukio Hanyu, Hirokatsu Miyata, Ikuo Nakazawa +3 more 2006-05-16
7037996 Composition containing polymer having ionic functional group, ink composition, and image-forming method and image-forming apparatus employing the ink composition Masayuki Ikegami, Ikuo Nakazawa, Sakae Suda 2006-05-02
7016279 Method for recording and/or reproducing data on/from recording/recorded medium, reproducing apparatus, recording medium, method for recogizing recording/recorded medium, and method for recording and/or reproducing data for apparatus using recording/recorded medium Yoichiro Sako, Mitsuhiro Shimada, Tatsuya Inokuchi, Atsuhiro Kumagai 2006-03-21