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

Hiroshi Kikuchi

Canon: 57 patents #533 of 19,416Top 3%
Hitachi: 56 patents #204 of 28,497Top 1%
OCOki Electric Industry Co.: 50 patents #3 of 2,807Top 1%
Ricoh Company: 21 patents #1,013 of 9,818Top 15%
TLTokyo Electron Limited: 13 patents #516 of 5,567Top 10%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
OLOlympus: 6 patents #794 of 3,097Top 30%
ODOki Data: 6 patents #119 of 635Top 20%
SISumitomo Rubber Industries: 5 patents #438 of 1,637Top 30%
SHShinkawa: 4 patents #67 of 229Top 30%
FIFujifilm Business Innovation: 4 patents #1,993 of 5,238Top 40%
3M: 4 patents #3,441 of 11,543Top 30%
Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
FCFurukawa Electric Co.: 3 patents #622 of 2,370Top 30%
HHHitachi High-Technologies: 3 patents #776 of 1,917Top 45%
HSHitachi Hokkai Semiconductor: 3 patents #24 of 98Top 25%
RTRenesas Technology: 3 patents #990 of 3,337Top 30%
Sony: 3 patents #10,744 of 25,231Top 45%
ULUlvac: 2 patents #199 of 680Top 30%
HSHitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
NPNippon Telegraph And Telephone Public: 2 patents #129 of 842Top 20%
Panasonic: 2 patents #9,678 of 21,108Top 50%
ACAlps Electric Co.: 2 patents #822 of 2,177Top 40%
HDHitachi Displays: 2 patents #384 of 752Top 55%
TCTsubakimoto Chain: 2 patents #212 of 593Top 40%
KEKeihin: 1 patents #237 of 596Top 40%
PEPentax: 1 patents #238 of 396Top 65%
HGHGST: 1 patents #253 of 483Top 55%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
SCShin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
TUTohoku University: 1 patents #615 of 1,680Top 40%
HAHitachi Astemo: 1 patents #649 of 1,276Top 55%
WCWorld Chemical Co.: 1 patents #6 of 22Top 30%
ACAmada Co.: 1 patents #242 of 479Top 55%
MCMurata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NKNippon Hoso Kyokai: 1 patents #306 of 703Top 45%
NINgk Insulators: 1 patents #1,271 of 2,083Top 65%
NCNippon Zeon Co.: 1 patents #307 of 609Top 55%
OCOji Paper Co.: 1 patents #173 of 423Top 45%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
OCOki Electric Co.: 1 patents #3 of 39Top 8%
KCKunimine Industries Co.: 1 patents #4 of 37Top 15%
OCOki Electronic Industries Co.: 1 patents #1 of 29Top 4%
Yokohama, WA: #1 of 36 inventorsTop 3%
Overall (All Time): #1,596 of 4,157,543Top 1%
274 Patents All Time

Issued Patents All Time

Showing 126–150 of 274 patents

Patent #TitleCo-InventorsDate
7023500 Display device with active-matrix transistor having silicon film modified by selective laser irradiation Mikio Hongo, Mutsuko Hatano, Makoto Ohkura 2006-04-04
6924549 Semiconductor device and a method of manufacturing the same Fujiaki Nose, Satoshi Ueno, Norio Nakazato 2005-08-02
6919622 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2005-07-19
6911734 Semiconductor device and electronic device Norio Nakazato, Hideko Ando, Takashi Suga, Satoru Isomura, Takashi Kubo +4 more 2005-06-28
6911733 Semiconductor device and electronic device Norio Nakazato, Hideko Ando, Takashi Suga, Satoru Isomura, Takashi Kubo +4 more 2005-06-28
6896405 Method of measuring thermal resistance of resin and a measuring apparatus using the method Yasuo Osone, Norio Nakazato, Takashi Kubo, Masaki Asagai 2005-05-24
6876067 Semiconductor device Taiga Arai, Fujiaki Nose, Yoichi Tamaki 2005-04-05
6856779 Toner cartridge with a toner-discharging mechanism and printer to which the toner cartridge is removably attachable Yukio Ota 2005-02-15
6787395 Method of manufacturing a multi-chip module Yoshiyuki Kado, Tsukio Funaki, Ikuo Yoshida 2004-09-07
6761607 Apparatus, mold and method for producing substrate for plasma display panel Chikafumi Yokoyama, Akira Yoda, Takaki Sugimoto, Toshihiro Suwa 2004-07-13
6746725 Acrylic foam pressure sensitive adhesive method thereof Shojitsu Nakamuta, Shinji Abiko 2004-06-08
6747846 Thin film magnetic head preventing corrosion and thin film magnetic head slider, and methods of producing the same Takahiro Kato, Noriyuki Saiki, Yukihiro Isono 2004-06-08
6720208 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2004-04-13
6714383 Magnetic disk apparatus Yoshiyuki Kado, Ikuo Yoshida 2004-03-30
6591079 Toner cartridge and printer to which the toner cartridge is attached Yukio Ota 2003-07-08
6531760 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2003-03-11
6528343 Semiconductor device its manufacturing method and electronic device Yoshiyuki Kado, Ikuo Yoshida 2003-03-04
6494628 Heat-sensitive transcription printer system Yukie Konoshita, Kazuhide Shiratori, Toshiaki Nakanishi, Masanobu Hida 2002-12-17
6489181 Method of manufacturing a semiconductor device Yoshiyuki Kado, Tsukio Funaki, Ikuo Yoshida 2002-12-03
6434350 Electrophotographic recording apparatus having lid with mechanism to retract exposing unit Yukio Ota 2002-08-13
6433412 Semiconductor device and a method of manufacturing the same Hideko Ando, Ikuo Yoshida, Toshihiko Sato, Tomo Shimizu 2002-08-13
6380621 Semiconductor device and manufacturing method thereof Hideko Ando, Toshihiko Sato, Tetsuya Hayashida 2002-04-30
6375590 Toothed belt Masato Tomobuchi, Tatsuo Arai 2002-04-23
6326681 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2001-12-04
6303982 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2001-10-16