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 201–225 of 462 patents

Patent #TitleCo-InventorsDate
7498364 Ink composition comprising a block or graft polymer and at least one colorant Ikuo Nakazawa, Sakae Suda, Ryuji Higashi, Masayuki Ikegami, Keiichiro Tsubaki 2009-03-03
7497509 Exterior component Yoshimasa Omiya, Daiichiro Kawashima, Yoshiaki Shichida, Mitsunari Tanaka 2009-03-03
7494293 Digital single-lens reflex camera Akira Arimoto 2009-02-24
7491780 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 2009-02-17
7479512 Dispersion composition containing functional substance, method of forming image and image forming apparatus Sakae Suda, Ikuo Nakazawa, Masayuki Ikegami, Keiichiro Tsubaki 2009-01-20
7477199 Antenna device operable in multiple frequency bands Hiroyuki Hotta, Satoshi Mizoguchi 2009-01-13
7474338 Image correction processing device 2009-01-06
7457065 Systems and methods for hard disk drive optimization and manufacturing Kenji Ogasawara, Hiroshi Yanagisawa, Keishi Takahashi, Fuminori Sai 2008-11-25
7457087 Electrostatic discharge protective circuit and semiconductor integrated circuit using the same 2008-11-25
7454134 Image signal processing unit and digital camera 2008-11-18
7449513 Alkenyl ether compound, polymer compound, composition using them, and image formation method and apparatus Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Keiichiro Tsubaki, Ryuji Higashi +1 more 2008-11-11
7442753 Polymer compound and block polymer compound Keiichiro Tsubaki, Ikuo Nakazawa, Ryuji Higashi, Sakae Suda, Masayuki Ikegami +1 more 2008-10-28
7439282 Stimuli-responsive composition, and image-forming method and apparatus using the composition Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Sadahito Aoshima, Shinji Sugihara 2008-10-21
7433479 Headphone apparatus 2008-10-07
7425588 Polymer composition including functional material, method for production of the same, inkjet ink, and image formation method and image formation apparatus using the same Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Keiichiro Tsubaki 2008-09-16
7423075 Polymer, polymer-containing composition containing the same, ink composition, and ink applying method, image forming method and image forming apparatus which make use of ink composition Masayuki Ikegami, Ikuo Nakazawa, Ryuji Higashi, Sakae Suda, Keiichiro Tsubaki +1 more 2008-09-09
7405435 Semiconductor device having electrostatic destruction protection circuit using thyristor as protection element 2008-07-29
7394631 Electrostatic protection circuit Kentaro Watanabe, Takayuki Hiraoka 2008-07-01
RE40370 Electronic watch Fumio Kanno 2008-06-10
7381757 Decolorable ink, image forming method and image forming apparatus Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami 2008-06-03
7381759 Polymer composition, image-forming method and image-forming apparatus Sakae Suda, Ikuo Nakazawa, Masayuki Ikegami 2008-06-03
7378480 Polymerizable compound, polymer compound, composition using such compound, and image forming method and apparatus Ikuo Nakazawa, Sakae Suda, Masayuki Ikegami, Keiichiro Tsubaki 2008-05-27
7375756 Binoculars 2008-05-20
7358906 Antenna device and mobile communication terminal equipped with antenna device Takashi Amano 2008-04-15
7345637 Radio device and electronic apparatus Satoshi Mizoguchi, Takashi Amano 2008-03-18