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

Hiroshi Sato

Canon: 228 patents #3 of 19,416Top 1%
FUFujifilm: 87 patents #18 of 4,519Top 1%
HIHitachi: 47 patents #333 of 28,497Top 2%
SOSony: 27 patents #1,364 of 25,231Top 6%
Honda Motor Co.: 20 patents #634 of 21,052Top 4%
SCSumitomo Chemical: 18 patents #188 of 4,033Top 5%
TOToyota: 18 patents #1,345 of 26,838Top 6%
RTRenesas Technology: 15 patents #114 of 3,337Top 4%
Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
HEHitachi Vlsi Engineering: 13 patents #25 of 666Top 4%
KTKabushiki Kaisha Toshiba: 13 patents #2,297 of 21,451Top 15%
Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%
TLTokyo Electron Limited: 11 patents #663 of 5,567Top 15%
SSSumitomo Wiring Systems: 11 patents #341 of 2,615Top 15%
RERenesas Electronics: 10 patents #332 of 4,529Top 8%
ECEliiy Power Co.: 10 patents #1 of 27Top 4%
Tdk: 9 patents #675 of 3,796Top 20%
HSHitachi Tohbu Semiconductor: 8 patents #12 of 223Top 6%
Casio Computer Co.: 8 patents #310 of 1,970Top 20%
NSNippon Steel: 7 patents #329 of 4,423Top 8%
DCDai-Ichi Electric Co.: 6 patents #1 of 12Top 9%
KSKawai Gakki Seisakusho: 6 patents #33 of 198Top 20%
MLMitsubishi Pencil Company, Limited: 6 patents #48 of 302Top 20%
NANamics: 6 patents #5 of 113Top 5%
MMMitsubishi Mining: 5 patents #132 of 2,247Top 6%
Pioneer: 5 patents #362 of 1,730Top 25%
LGLion Group: 5 patents #13 of 587Top 3%
HCHitachi Device Engineering Co.: 5 patents #95 of 514Top 20%
ACAlps Electric Co.: 5 patents #368 of 2,177Top 20%
NKNippon Kayaku: 4 patents #176 of 1,103Top 20%
PKPilot Man-Nen-Hitsu Kabushiki Kaisha: 4 patents #2 of 63Top 4%
UIUbe Industries: 4 patents #315 of 1,686Top 20%
HCHitachi Ulsi Systems Co.: 4 patents #214 of 867Top 25%
FKFuji Yakuhin Kogyo Kabushiki Kaisha: 4 patents #3 of 60Top 5%
HSHomma Science: 4 patents #2 of 5Top 40%
TPTohoku Pioneer: 4 patents #64 of 312Top 25%
SCSeikosha Co.: 4 patents #86 of 312Top 30%
KOKonica Minolta Opto: 4 patents #98 of 418Top 25%
KOKonica: 3 patents #771 of 1,958Top 40%
SCSanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
SESeiko Epson: 3 patents #3,864 of 7,774Top 50%
Pioneer Electronic: 3 patents #611 of 1,840Top 35%
TCTakeda Riken Co.: 3 patents #1 of 26Top 4%
HCHitachi Koki Co.: 3 patents #334 of 888Top 40%
MCMax Co.: 3 patents #118 of 321Top 40%
TCTohto Kasei Co.: 3 patents #1 of 30Top 4%
TKToyo Denso Kabushiki Kaisha: 3 patents #18 of 182Top 10%
YAYamasa: 3 patents #21 of 108Top 20%
GE: 3 patents #10,354 of 36,430Top 30%
PAPanasonic: 3 patents #7,617 of 21,108Top 40%
MPMitsubishi Tanabe Pharma: 3 patents #98 of 503Top 20%
MCMitsui Mining & Smelting Co.: 3 patents #195 of 838Top 25%
MCMochida Pharmaceutical Co.: 3 patents #67 of 309Top 25%
NCNagano Automation Co.: 3 patents #2 of 8Top 25%
ADAdvantest: 3 patents #330 of 1,193Top 30%
TCTs Tech Co.: 2 patents #244 of 561Top 45%
KCKaken Pharmaceutical Co.: 2 patents #94 of 335Top 30%
SISumitomo Heavy Industries: 2 patents #252 of 917Top 30%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
SCSagami Chemical Research Center: 2 patents #73 of 312Top 25%
ZKZeria Shinyaku Kogyo Kabushiki Kaisha: 2 patents #2 of 19Top 15%
NCNippon Steel Chemical: 2 patents #49 of 184Top 30%
NENec: 2 patents #5,510 of 14,502Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NONippon Oil: 2 patents #264 of 773Top 35%
Applied Materials: 2 patents #3,641 of 7,310Top 50%
SLSaturn Licensing: 2 patents #123 of 329Top 40%
CHChisso: 2 patents #331 of 833Top 40%
NCNew Shicoh Technology Co.: 2 patents #4 of 13Top 35%
NKNippon Kogaku K.K.: 2 patents #156 of 382Top 45%
Bridgestone: 2 patents #1,066 of 2,860Top 40%
KSKobe Steel: 2 patents #504 of 2,031Top 25%
FUFujikura: 2 patents #518 of 1,407Top 40%
Nintendo Co.: 2 patents #671 of 1,476Top 50%
HSHitachi Automotive Systems Steering: 2 patents #17 of 48Top 40%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
NTNTT: 2 patents #2,095 of 4,871Top 45%
KCKureha Chemical Industry Co.: 2 patents #45 of 215Top 25%
TOTosoh: 2 patents #354 of 1,042Top 35%
DEDigital Equipment: 2 patents #602 of 2,100Top 30%
FIFujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
ACAisin Takaoka Co.: 1 patents #59 of 172Top 35%
ACAjinomoto Co.: 1 patents #1,164 of 2,190Top 55%
ANAlaxala Networks: 1 patents #73 of 140Top 55%
ASAsahi-Dow: 1 patents #40 of 93Top 45%
DCDai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
DIDai Nippon Insatsu: 1 patents #197 of 371Top 55%
DCDai Nippon Toryo Co.: 1 patents #73 of 196Top 40%
DEDenso: 1 patents #6,940 of 11,792Top 60%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
EMElpida Memory: 1 patents #419 of 692Top 65%
FCFuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
GLGlory: 1 patents #217 of 385Top 60%
GJGradco Japan: 1 patents #22 of 46Top 50%
HAHitachi Astemo: 1 patents #649 of 1,276Top 55%
HCHodogaya Chemical Co.: 1 patents #201 of 359Top 60%
HCHonda Engineering Co.: 1 patents #2 of 19Top 15%
HOHoya: 1 patents #757 of 1,290Top 60%
IWIgarashi Electric Works: 1 patents #8 of 13Top 65%
IHIhi: 1 patents #624 of 1,178Top 55%
IKIkari: 1 patents #2 of 23Top 9%
ILIsuzu Motors Limited: 1 patents #414 of 908Top 50%
JAJapan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
JTJtekt: 1 patents #1,102 of 1,969Top 60%
KEKeihin: 1 patents #237 of 596Top 40%
KLKoei Chemical Company, Limited: 1 patents #27 of 81Top 35%
KCKoyo Seiko Co.: 1 patents #363 of 749Top 50%
KUKureha: 1 patents #186 of 354Top 55%
KKKureha Kagaku Kogyo: 1 patents #332 of 607Top 55%
KCKyowa Hakko Kirin Co.: 1 patents #258 of 446Top 60%
LCLotte Co.: 1 patents #38 of 133Top 30%
MCMayekawa Mfg. Co.: 1 patents #126 of 273Top 50%
MIMinistry Of International Trade & Industry: 1 patents #189 of 582Top 35%
MKMitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
NENec Home Electronics: 1 patents #33 of 106Top 35%
NCNichiyu Giken Kogyo Co.: 1 patents #6 of 22Top 30%
NKNihon Kaiheiki Kogyo Kabushiki Kaisha: 1 patents #7 of 13Top 55%
NCNikko Co.: 1 patents #23 of 55Top 45%
NCNippon Steel Chemical Co.: 1 patents #136 of 380Top 40%
NMNippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
NCNoritsu Koki Co.: 1 patents #139 of 289Top 50%
Nsk: 1 patents #937 of 1,559Top 65%
OCOki Electric Cable Co.: 1 patents #10 of 36Top 30%
OCOlympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
OEOmron Tateisi Electronics: 1 patents #264 of 599Top 45%
OJOpnext Japan: 1 patents #100 of 185Top 55%
PEPentax: 1 patents #238 of 396Top 65%
PVPioneer Video: 1 patents #67 of 139Top 50%
RSRenesas Eastern Japan Semiconductor: 1 patents #25 of 82Top 35%
RYRyobi: 1 patents #160 of 309Top 55%
SASiemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
SISumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
SCSumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
TITaisei Chemical Industries: 1 patents #9 of 23Top 40%
TCTaisei Kako Co.: 1 patents #42 of 108Top 40%
TKTakeda Riken Kogyo Kabushikikaisha: 1 patents #24 of 49Top 50%
ATAgency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
University of California: 1 patents #8,022 of 18,278Top 45%
TCToho Catalyst Co.: 1 patents #4 of 11Top 40%
TETohoku Pioneer Electronic: 1 patents #21 of 73Top 30%
TKTokyo Densoku Kabushiki Kaisha: 1 patents #2 of 3Top 70%
TCToppan Printing Co.: 1 patents #691 of 1,467Top 50%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
TCToyo Seikan Co.: 1 patents #498 of 888Top 60%
ULUlvac: 1 patents #339 of 680Top 50%
Overall (All Time): #108 of 4,157,543Top 1%
786 Patents All Time

Issued Patents All Time

Showing 451–475 of 786 patents

Patent #TitleCo-InventorsDate
6528230 Dye precursor, image forming material, and image forming method Masanobu Takashima, Hirotaka Matsumoto, Yuuichi Fukushige 2003-03-04
6528996 Diffusion-weighted imaging method and apparatus for fast pulse sequence with MPG pulses 2003-03-04
6524709 Epoxy resin compositions containing phosphorus, flame retardant resin sheet using said epoxy resin containing phosphorus, resin clad metal foil, prepreg and laminated board, multi layer board Takashi Sagara, Toshiharu Takata, Kiyoaki Ihara, Hidetaka Kakiuchi, Kazuo Ishihara +2 more 2003-02-25
6513611 Vehicle speed control system Akira Ito, Hideaki Kotani, Naoto Sen 2003-02-04
6515771 Image reading apparatus having a reference image and measurement means for measuring distortion based on reading the reference image 2003-02-04
6513131 Logic circuit having error detection function, redundant resource management method, and fault tolerant system using it Nobuyasu Kanekawa, Shoji Suzuki, Yoshimichi Sato, Korefumi Tashiro, Keisuke Bekki +2 more 2003-01-28
6506376 Liquid makeup cosmetic 2003-01-14
6496663 Image forming apparatus including image bearing member and electrification means with changeable peripheral speed difference therebetween Yasushi Shimizu, Junichi Kato, Masahiro Yoshida, Hiroyuki Ohba 2002-12-17
6496411 Non-volatile multi-level semiconductor flash memory device and method of driving same Naoki Yamada, Tetsuya Tsujikawa, Kazuyuki Miyazawa 2002-12-17
6496418 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Atsushi Nozoe, Keiichi Yoshida, Satoshi Noda, Shoji Kubono +2 more 2002-12-17
6488945 Liquid cosmetic 2002-12-03
6473321 Semiconductor integrated circuit and nonvolatile semiconductor memory Jiro Kishimoto, Satoshi Noda, Tatsuya Ishii, Shoji Kubono, Takashi Ogino 2002-10-29
6463245 Developing apparatus with a DC electric field formed between a developer carrying member and a developer regulating member and image forming apparatus using the same Koichi Suwa, Yasushi Shimizu 2002-10-08
6459861 Image forming apparatus, and a cartridge having a developer container detachably mountable on such apparatus Kazushige Sakurai, Kazumi Yamauchi 2002-10-01
6459621 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Atsushi Nozoe, Keiichi Yoshida, Satoshi Noda, Shoji Kubono +2 more 2002-10-01
6459840 Optical transmission device Masahiro Aoki, Tsurugi Sudoh, Akira Taike, Tomonobu Tsuchiya, Masaaki Komori +1 more 2002-10-01
6458946 Crystals of diuridine tetraphosphate or salt thereof, process for producing the crystals, and process for producing the compounds Hideaki Maeda, Toshio Yamada, Yutaka Noda 2002-10-01
6458960 Sulfonamide derivatives Hirohisa Morohashi 2002-10-01
6452545 GPS receiver, position-detecting system and positioning method Mikio Araki 2002-09-17
6448989 Image forming apparatus using digital light as image exposure means Yasushi Shimizu, Masanobu Saito, Gaku Konishi 2002-09-10
6416922 Azomethine dye precursor, image-forming material, and image-forming method Masatoshi Yumoto, Yoshimitsu Arai, Hirotaka Matsumoto 2002-07-09
6418065 Nonvolatile semiconductor memory Satoshi Noda, Kiichi Manita, Shoji Kubono, Koji Shigematsu 2002-07-09
6399606 Neuroprotective agents and methods related thereto Moorthy S. S. Palanki, Shripad S. Bhagwat, Paul E. Erdman, Mary Doubleday 2002-06-04
6394590 Replaceable liquid container Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi +10 more 2002-05-28
6390578 Ink container, ink and ink jet recording apparatus using ink container Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi +10 more 2002-05-21