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

Takashi Kojima — 177 Patents

DCDwango Co.: 39 patents #1 of 56Top 2%
Denso: 20 patents #415 of 11,792Top 4%
Nec: 14 patents #843 of 14,502Top 6%
Toyota: 13 patents #2,130 of 26,838Top 8%
PCPowdertech Co.: 12 patents #9 of 66Top 15%
MCMitsubishi Gas Chemical Company: 12 patents #143 of 1,727Top 9%
Sony: 11 patents #4,043 of 25,231Top 20%
SESeiko Epson: 6 patents #2,663 of 7,774Top 35%
Tdk: 6 patents #953 of 3,796Top 30%
FIFujifilm Business Innovation: 4 patents #505 of 1,659Top 35%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
MLMitsubishi Petrochemical Company Limited: 3 patents #122 of 670Top 20%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
JTJtekt: 3 patents #557 of 1,969Top 30%
NCNippondenso Co.: 2 patents #1,150 of 3,479Top 35%
CCChukyo Medical Co.: 2 patents #3 of 6Top 50%
SCSumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NSNippon Soken: 2 patents #546 of 1,540Top 40%
QOQoncept: 1 patents #3 of 8Top 40%
RPRaqualia Pharma: 1 patents #33 of 69Top 50%
SCSanten Pharmaceutical Co.: 1 patents #178 of 291Top 65%
CCCse Co.: 1 patents #5 of 11Top 50%
SCShibaura Engineering Works Co.: 1 patents #8 of 28Top 30%
TLTakeda Pharmaceutical Company Limited: 1 patents #859 of 1,531Top 60%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TMToyoda Van Moppes: 1 patents #16 of 39Top 45%
TCTs Tech Co.: 1 patents #323 of 561Top 60%
YAYazaki: 1 patents #2,077 of 3,427Top 65%
CACalsonic: 1 patents #72 of 204Top 40%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
HCHitec Co.: 1 patents #14 of 21Top 70%
ACAkebono Research And Development Centre: 1 patents #29 of 79Top 40%
INInax: 1 patents #78 of 242Top 35%
TLToyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KAKao: 1 patents #1,961 of 3,221Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
HCHakko Electric Machine Works Co.: 1 patents #8 of 14Top 60%
FCFuji Manufacturing Co.: 1 patents #14 of 29Top 50%
DCDainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
Overall (All Time): #4,379 of 4,157,543Top 1%
177 Patents All Time

Issued Patents All Time

Showing 126–150 of 177 patents

Patent #TitleCo-InventorsDate
6997038 Gas sensor having improved structure for installation of protective cover 2006-02-14
6969907 Cooling structure for multichip module Makoto Imai, Naoki Ogawa, Yuji Yagi, Yasushi Yamada 2005-11-29
6944801 Skew adjusting circuit and semiconductor integrated circuit 2005-09-13
6913678 Gas sensor Hirokazu Yamada 2005-07-05
6898961 Compact structure of gas sensor and production method thereof Hirokazu Yamada, Isao Watanabe 2005-05-31
6780298 Gas sensor Satoshi Nakamura, Daisuke Makino 2004-08-24
6708551 Insulator positioning structure of gas sensor 2004-03-23
6698948 Printing data and picture data transferring method Yushi Ihara 2004-03-02
6672136 Gas sensor having improved structure of electric connector 2004-01-06
6628713 Method and device for data encoding and method for data transmission Hideki Koyanagi, Shigeto Funado, Yoshihiro Murakami 2003-09-30
6615641 Structure of gas sensor 2003-09-09
6514619 Aqueous resin composition and coated metal material having cured coating of the same Hiroaki Shimada, Yoshihiro Yamano, Yoshiki Itoh 2003-02-04
6432289 Oxygen concentration detector Yasuhiro Uchida, Masahiro Hamaya, Minoru Ota 2002-08-13
6415647 Compact structure of gas sensor and production method thereof Hirokazu Yamada, Hiroaki Takaba, Isao Watanabe 2002-07-09
6319378 Gas sensor having improved structure Isao Watanabe, Hirokazu Yamada 2001-11-20
6303013 Gas sensor including caulked fixation portion for fixing detection element by caulking Isao Watanabe 2001-10-16
6236806 Field detection apparatus and method, image coding apparatus and method, recording medium, recording method and transmission method Motoki Kato 2001-05-22
6222372 Structure of gas sensor Kenji Fukaya, Masanobu Yamauchi, Isao Watanabe, Hirokazu Yamada 2001-04-24
6214186 Gas sensor having improved structure for installation of protective cover Isao Watanabe, Hirokazu Yamada 2001-04-10
6181854 Optical module packaged with molded resin Naoki Yamamoto, Hironao Hakogi, Yoshio Shimano, Kazunori Miura 2001-01-30
6151360 Method for encoding video signal using statistical information Motoki Kato, Tsuyoshi Oda 2000-11-21
6118648 Non-reducing dielectric ceramic materials Akira Sato, Naoto Oji, Takeshi Nomura 2000-09-12
6068746 Oxygen sensor having a solid electrolyte applicable to an internal combustion engine Tomoyuki Kato, Makoto Hori, Masahiro Hamaya, Minoru Ota 2000-05-30
6058412 Service management system and process control system for intelligent network system Masashi Nakano, Shouichi Kimura, Yoshikazu Takeda, Miki Kidachi, Akira Nagasawa +1 more 2000-05-02
6057893 Picture encoding method, picture encoding apparatus, picture transmitting method and picture recording medium Motoki Kato 2000-05-02