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 151–175 of 274 patents

Patent #TitleCo-InventorsDate
6203886 Skew-toothed belt and method for manufacturing the same Tooru Fujiwara, Mitsuo Kasahara, Yoshinori Itou 2001-03-20
6204552 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2001-03-20
6130114 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 2000-10-10
6124629 Semiconductor device including a resin sealing member which exposes the rear surface of the sealed semiconductor chip Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2000-09-26
6123540 Heavy oil emulsion fuel combustion apparatus Kan Ogata, Akira Yamada, Kimishiro Tokuda, Toshimitsu Ichinose, Yasuo Souda +2 more 2000-09-26
6111322 Semiconductor device and manufacturing method thereof Hideko Ando, Toshihiko Sato, Tetsuya Hayashida 2000-08-29
6100115 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2000-08-08
6100580 Semiconductor device having all outer leads extending from one side of a resin member Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2000-08-08
6094540 Apparatus adapted to use solar battery 2000-07-25
6081023 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 2000-06-27
6072231 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 2000-06-06
6069029 Semiconductor device chip on lead and lead on chip manufacturing Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 2000-05-30
6048109 Apparatus adapted to use shape memory member 2000-04-11
6044233 Apparatus having film cartridge holding device 2000-03-28
6041190 Image display apparatus Takayuki Tsuboi 2000-03-21
6040880 Display device Takayuki Tsuboi, Mineto Yagyu, Akihiko Nagano 2000-03-21
6036473 Heavy oil emulsified fuel combustion apparatus Toshimitsu Ichinose, Hirokazu Hino, Akira Yamada, Katsuyuki Ueda 2000-03-14
6018191 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 2000-01-25
5981315 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 1999-11-09
5933663 Control apparatus for recording data 1999-08-03
5923352 Method of adjusting electromechanical element of ink jet print head to increase uniformity of performance characteristic Mitsuru Kishimoto, Kiyoshi Ikeda, Masahiko Shimosugi 1999-07-13
5914530 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 1999-06-22
5870115 Ink-jet printer with improved capping mechanism Mitsuru Kishimoto, Noboru Ooishi, Masahiko Shimosugi, Shigenori Koido 1999-02-09
5863817 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo +19 more 1999-01-26
5857848 Transfer apparatus and vertical heat-processing system using the same Kiichi Takahashi 1999-01-12