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

Hiroshi Inoue — 741 Patents

Canon: 131 patents #49 of 19,416Top 1%
Denso: 45 patents #53 of 11,792Top 1%
Hitachi: 42 patents #441 of 28,497Top 2%
IBM: 42 patents #2,200 of 70,183Top 4%
FUFujifilm: 38 patents #133 of 4,519Top 3%
Yamaha Motor: 30 patents #15 of 2,310Top 1%
TOTosoh: 27 patents #1 of 1,042Top 1%
SPSakura Color Products: 25 patents #1 of 115Top 1%
Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
Toyota: 22 patents #976 of 26,838Top 4%
SSSumitomo Wiring Systems: 21 patents #154 of 2,615Top 6%
Fujitsu Limited: 19 patents #1,495 of 24,456Top 7%
Sony: 18 patents #2,315 of 25,231Top 10%
KCKansai Paint Co.: 17 patents #23 of 822Top 3%
UIUbe Industries: 17 patents #26 of 1,686Top 2%
OROrgano: 16 patents #2 of 167Top 2%
ULUsui Kokusai Sangyo Kaisha Limited: 16 patents #6 of 145Top 5%
TKToa Nenryo Kogyo: 13 patents #10 of 220Top 5%
FIFujifilm Business Innovation: 13 patents #720 of 5,238Top 15%
TOToshiba: 11 patents #32 of 2,688Top 2%
TCToso Susteel Co.: 10 patents #2 of 9Top 25%
HCHigashio Mech Co.: 8 patents #1 of 9Top 15%
TOTonen: 8 patents #5 of 264Top 2%
Nissan Motor Co.: 8 patents #916 of 8,689Top 15%
Kubota: 8 patents #244 of 2,059Top 15%
Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
Kyocera: 7 patents #393 of 3,732Top 15%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
Honda Motor Co.: 6 patents #3,726 of 21,052Top 20%
NTNTT: 6 patents #897 of 4,871Top 20%
MIMitsui Petrochemical Industries: 6 patents #115 of 1,024Top 15%
MAMakita: 5 patents #255 of 770Top 35%
SCSanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
SHShimadzu: 4 patents #448 of 2,007Top 25%
J-J-Devices: 4 patents #14 of 53Top 30%
TKToda Kogyo: 4 patents #92 of 328Top 30%
DKDystar Textilfarben Gmbh & Co. Deutschland Kg: 3 patents #16 of 87Top 20%
HMHino Motors: 3 patents #30 of 311Top 10%
KOKomori: 3 patents #51 of 219Top 25%
NSNippon Soken: 3 patents #406 of 1,540Top 30%
NCNippondenso Co.: 3 patents #799 of 3,479Top 25%
PEPermelec Electrode: 3 patents #28 of 101Top 30%
ONonsemi: 3 patents #531 of 1,901Top 30%
TKTanaka Kikinzoku Kogyo K.K.: 3 patents #94 of 436Top 25%
Panasonic: 3 patents #7,617 of 21,108Top 40%
DCDowa Metals & Mining Co.: 2 patents #9 of 27Top 35%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
HCHodogaya Chemical Co.: 2 patents #141 of 359Top 40%
AKAsahi Denka Kogyo: 2 patents #36 of 196Top 20%
OCOki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
KCKoito Manufacturing Co.: 2 patents #455 of 1,047Top 45%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
FCFunai Electric Co.: 2 patents #454 of 943Top 50%
NLNippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
NCNippon Thompson Co.: 2 patents #69 of 178Top 40%
TOTokuyama: 2 patents #163 of 562Top 30%
MCMitsui Chemicals: 2 patents #873 of 2,279Top 40%
CHChiyoda: 1 patents #141 of 358Top 40%
SCShinagawa Refractories Co.: 1 patents #73 of 162Top 50%
JLJapan Exlan Company Limited: 1 patents #34 of 76Top 45%
BLBridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
University of California: 1 patents #8,022 of 18,278Top 45%
UEUniversity Of Electro-Communications: 1 patents #47 of 199Top 25%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
TCTokusen Kogyo Co.: 1 patents #27 of 68Top 40%
FCFuji Photo Co.: 1 patents #1 of 51Top 2%
TETokyo Shibaura Electric: 1 patents #96 of 337Top 30%
FHFuji Oil Holdings: 1 patents #159 of 368Top 45%
TOTosch: 1 patents #1 of 17Top 6%
TCToshiba Ceramics Co.: 1 patents #190 of 458Top 45%
TLToso Company, Limited: 1 patents #7 of 26Top 30%
AIAnest Iwata: 1 patents #44 of 71Top 65%
DCDowa Mining Co.: 1 patents #157 of 324Top 50%
DKDenki Kagaku Kogyo: 1 patents #291 of 655Top 45%
VJVictor Company Of Japan: 1 patents #818 of 1,489Top 55%
WUWashington University: 1 patents #704 of 1,596Top 45%
NKNippon Tensaiseito Kabushiki Kaisha: 1 patents #5 of 17Top 30%
MIMitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
MCMurata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
CECummins Engine: 1 patents #304 of 765Top 40%
NSNippon Steel: 1 patents #2,111 of 4,423Top 50%
DCDainichiseika Color & Chemicals Mfg. Co.: 1 patents #184 of 376Top 50%
CACpac Systems Ab: 1 patents #7 of 26Top 30%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
NONok: 1 patents #382 of 725Top 55%
MSMitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
PCPrime Polymer Co.: 1 patents #30 of 116Top 30%
RCRicoh Watch Co.: 1 patents #3 of 15Top 20%
MEMitsubishi Electric: 1 patents #413 of 959Top 45%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
SASap Ag: 1 patents #1,847 of 3,812Top 50%
Sap Se: 1 patents #2,890 of 6,322Top 50%
Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Nagoya, MD: #1 of 4 inventorsTop 25%
Overall (All Time): #139 of 4,157,543Top 1%
741 Patents All Time

Issued Patents All Time

Showing 426–450 of 741 patents

Patent #TitleCo-InventorsDate
6325845 Aqueous ink for ball point pens Norimasa Kurihara 2001-12-04
6296754 Method of reducing nitrous oxide gas and electrolytic cell Yasuki Yoshida, Setsuro Ogata, Yoshinori Nishiki, Shuji Nakamatsu, Chiaki Iwakura 2001-10-02
6297484 Magnetic heater Masayoshi Usui, Masato Yamada, Kazunori Takikawa 2001-10-02
6294615 Copolymer, cationic high molecular weight flocculating agent comprising the copolymer, and process for producing the copolymer Toshiya Higashino 2001-09-25
6288444 Semiconductor device and method of producing the same Mitsuo Abe, Yoshihiro Kubota, Yoshitsugu Katoh, Michio Hayakawa, Ryuji Nomoto +3 more 2001-09-11
6282323 Image processing method and apparatus Mamoru Tanaka, Masaaki Imaizumi, Toshiaki Shingu, Masamichi Ohshima 2001-08-28
6276287 Iron compound catalyst for inhibiting generation of dioxin and incineration process of municipal solid waste using the same Tomoyuki Imai, Toshiki Matsui, Yasuhiko Fujii, Satoshi Hatakeyama, Kojiro Tsutsumi +4 more 2001-08-21
6261353 Recording material and image forming method using the same Takatsugu Doi, Atsushi Suzuki, Kunichi Yamashita, Yoshiro Yamashita, Ken Hashimoto 2001-07-17
6262705 Display device Hideo Kanno, Hiroshi Netsu, Atsushi Mizutome 2001-07-17
6255013 Sealed storage battery and method of producing same Shuhei Marukawa, Shinji Hamada, Munehisa Ikoma 2001-07-03
6252172 Electrical cable adapted for high-voltage applications Hidemi Tanigawa, Takahiko Sugita, Yoshinao Kobayashi 2001-06-26
6238530 Cathode for electrolysis and electrolytic cell using the same Yasuki Yoshida, Masashi Tanaka, Setsuro Ogata, Chiaki Iwakura 2001-05-29
6235419 Sealed storage battery Shuhei Marukawa, Shinji Hamada, Munehisa Ikoma 2001-05-22
6230684 Fuel supply apparatus for direct injection type gasoline engine Tsutomu Furuhashi, Tomomi Hioki 2001-05-15
6224684 Method for preparing raffinose crystals and equipment for the same Yoshihiro Semba, Osamu Suda, Yuichi Ohwada 2001-05-01
6224741 Electrolyte process using a hydrogen storing metal member Yasuki Yoshida, Setsuro Ogata, Masaharu Uno, Masashi Tanaka, Yoshinori Nishiki +2 more 2001-05-01
6217996 Aromatic polyimide film and its composite sheet Tomohiko Yamamoto, Takeshi Uekido, Toshiyuki Nishino, Takuji Takahashi 2001-04-17
6217218 Hydrodynamic bearing spindle motor Masashi Omura, Hiromichi Inomata, Kaoru Matsuoka, Shigeo Obata 2001-04-17
6200446 Electrophoretic coloring composition Shigeyasu Inoue, Seishiro Ito 2001-03-13
6194533 Liner film for bulk container and container liner Toshihiro Nishimura, Yoichiro Tsuji, Takashi Hiraoka 2001-02-27
6177660 Magnet type heater Masayoshi Usui, Kazunori Takikawa 2001-01-23
6148101 Digital image processor Mamoru Tanaka, Masaaki Imaizumi, Toshiaki Shingu 2000-11-14
6144020 Apparatus for simultaneously generating a fluid flow and heating the flowing fluid Masayoshi Usui 2000-11-07
6123364 Pipe joint Hiroji Sakatani 2000-09-26
6124842 Display apparatus Atsushi Mizutome 2000-09-26