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%
Hitachi: 47 patents #333 of 28,497Top 2%
Sony: 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%
Toyota: 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%
Kabushiki 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%
Panasonic: 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%
Nec: 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%
Denso: 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%
Siemens 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 501–525 of 786 patents

Patent #TitleCo-InventorsDate
6219076 Image forming apparatus having a photosensitive member bearing an electrostatic latent image whose pixel density can be changed 2001-04-17
6211895 Ink ribbon assembly, and thermal transfer printer using the same Yoshiyuki Asabe, Eihin Setsu, Iwao Nozaki 2001-04-03
6207948 Color filter, display device using color filter, apparatus comprising display device, ink-jet head, and color filter manufacturing method and apparatus Hideto Yokoi, Katsuhiro Shirota, Takeshi Miyazaki, Akio Kashiwazaki, Shoji Shiba 2001-03-27
6207329 Process for producing color filter Katsuhiro Shirota, Makoto Akahira, Hideto Yokoi, Takeshi Miyazaki, Akio Kashiwazaki +1 more 2001-03-27
6191255 Protein and monoclonal antibody specific thereto Motoharu Seiki, Akira Shinagawa 2001-02-20
6186615 Apparatus and method for forming a black image in which black ink is overlaid on color ink Shinichi Sato, Makoto Aoki, Jiro Moriyama, Mayumi Yamamoto, Hisao Yaegashi +2 more 2001-02-13
6184022 Metalloproteinase and encoding DNA therefor Motoharu Seiki, Akira Shinagawa 2001-02-06
6180796 Sulfonamide derivatives Hirohisa Morohashi 2001-01-30
6180294 Color filter having substrate and ink absorptive resin layer Shoji Shiba, Katsuhiro Shirota, Hideto Yokoi, Akio Kashiwazaki, Keiichi Murai +1 more 2001-01-30
6179400 Color filter manufacturing method and apparatus, color filter, display device, apparatus having display apparatus, and method of equalizing colored states of areas Makoto Akahira, Hideto Yokoi, Akinori Shiota, Hiromitsu Yamaguchi 2001-01-30
6166950 Nonvolatile semiconductor storage device Naoki Yamada, Tetsuya Tsujikawa, Kazuyuki Miyazawa 2000-12-26
6163485 Semiconductor integrated circuit data processing system Takayuki Kawahara, Atsushi Nozoe, Keiichi Yoshida, Satoshi Noda, Shoji Kubono +2 more 2000-12-19
6145981 Color filter manufacturing method and apparatus, color filter, color filter substrate, display device, and apparatus having display device Makoto Akahira, Hisanori Tsuda, Shinsuke Tsuruoka, Yoshihiro Shigemura, Hiromitsu Yamaguchi 2000-11-14
6141118 Optical scanning device Takeshi Yamawaki, Kazuyuki Kondo, Kazumi Kimura 2000-10-31
6134148 Semiconductor integrated circuit and data processing system Takayuki Kawahara, Atsushi Nozoe, Keiichi Yoshida, Satoshi Noda, Shoji Kubono +2 more 2000-10-17
6134059 Color filter, production process thereof, and liquid crystal panel Katsuhiro Shirota, Makoto Akahira, Hideto Yokoi, Takeshi Miyazaki, Akio Kashiwazaki +1 more 2000-10-17
6129976 Exothermic instrument for firing explosive Kiyoshi Mizushima, Mamoru Mouri, Motoharu Miyakoshi, Satoshi Nakamura, Shinzo Tsuji +2 more 2000-10-10
6108115 Scanning optical system Kazumi Kimura, Takeshi Yamawaki 2000-08-22
6103424 Rectangular battery Takeo Hamamatsu, Masao Inoue, Takashi Nagase, Satoru Kometani, Nobuyoshi Oi +3 more 2000-08-15
6095642 Ink container, ink and ink jet recording apparatus using ink container Noribumi Koitabashi, Masami Ikeda, Sadayuki Sugama, Naohito Asai, Hiromitsu Hirabayashi +10 more 2000-08-01
6094247 Color filter substrate with light-screening members arranged on the resin layer patterns and production method thereof Takeshi Miyazaki, Keiichi Murai, Katsuhiro Shirota, Akio Kashiwazaki, Shoji Shiba 2000-07-25
6092217 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 2000-07-18
6091640 Semiconductor integrated circuit with multiple write operation modes Takayuki Kawahara, Atsushi Nozoe, Keiichi Yoshida, Satoshi Noda, Shoji Kubono +2 more 2000-07-18
6081085 Power window apparatus Nobuaki Ohashi 2000-06-27
6078685 Image reading apparatus for reading a color image by irradiating light onto an object and photoelectrically converting light from the object Takashi Kawai, Kazuhito Ohashi 2000-06-20