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 251–274 of 274 patents

Patent #TitleCo-InventorsDate
4748293 Flexible cable and method of manufacturing thereof Jiro Tanuma, Naoji Akutsu 1988-05-31
4738552 Platen gap adjusting mechanism of printer Yukio Ota, Toshihiro Nakano, Takashi Itaya, Shyoichi Watanabe, Kuniharu Hayashi 1988-04-19
4722623 Printer and paper insertion device suitable therefor Shyoichi Watanabe, Yukio Ota, Yoshinori Koshida, Takashi Itaya, Jiro Tanuma 1988-02-02
4705700 Chemical vapor deposition method for the thin film of semiconductor Masakiyo Ikeda, Seiji Kojima, Yuzo Kashiwayanagi 1987-11-10
4690577 Printing medium detecting mechanism of printer Shyoichi Watanabe, Yukio Ohta 1987-09-01
4687361 Rack mount for a rack and pinion carriage moving mechanism Kuniharu Hayashi, Minoru Isobe, Jiro Tanuma, Masanori Maekawa 1987-08-18
4676681 Ink ribbon cassette Yoshinori Koshida, Takashi Itaya 1987-06-30
4672153 Touch panel 1987-06-09
4657415 Mechanism for adjusting the spacing between the print head and platen of a printer Yukio Ohta, Shyoichi Watanabe 1987-04-14
4645277 Connector for connecting boards Minoru Teshima, Hideaki Ishimizu, Hiroyoshi Kawasaki 1987-02-24
4640663 Balancer and controlling method thereof Tatsuya Niinomi 1987-02-03
4563217 Electroless copper plating solution Akira Tomizawa, Hitoshi Oka 1986-01-07
4555532 Epoxy resin composition Isamu Tanaka, Akira Tomizawa, Hitoshi Oka 1985-11-26
4543884 Shuttle type line printer Kenji Sato 1985-10-01
4526486 Serial printer Jiro Tanuma, Yoshinori Koshida, Takashi Itaya 1985-07-02
4460718 Epoxy resin composition Isamu Tanaka, Hitoshi Oka, Akira Tomizawa 1984-07-17
4442596 Casing of a washable electric appliance Sataroh Nasu, Kouichi Iwanaga 1984-04-17
4433926 Printer head Minoru Isobe, Minoru Teshima, Tadasi Kodama, Mitsuo Iwama 1984-02-28
4408286 Method and apparatus of robot teaching Koichi Sugimoto 1983-10-04
4401906 Motor with improved temperature characteristics Minoru Isobe 1983-08-30
4377348 Printer head for serial dot printer Minoru Isobe, Minoru Teshima, Tadasi Kodama 1983-03-22
4348810 Blade part assembling structure for electric shaver Takeshi Oda 1982-09-14
4348120 Printing head for a dot printer Minoru Isobe, Minoru Teshima, Tadasi Kodama, Wataru Ohara 1982-09-07
4324629 Process for regenerating chemical copper plating solution Hitoshi Oka, Hitoshi Yokono, Haruo Suzuki, Toyofusa Yoshimura, Akira Matsuo +3 more 1982-04-13