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 101–125 of 177 patents

Patent #TitleCo-InventorsDate
8895218 Carrier core material and carrier for electrophotographic developer and process for producing the same, and electrophotographic developer using the carrier Toru Iwata, Koji Aga 2014-11-25
8508512 Portable terminal equipment and a method of receiving input 2013-08-13
8363383 Dielectric ceramic composition and ceramic electronic component Jun Sato, Tomoya Shibasaki, Osamu Kido 2013-01-29
8229520 Cover part for electronic equipment and electronic equipment having the same Yoshiaki Katou, Kazunori Katou 2012-07-24
8192851 Dielectric ceramic composition and electronic device Sanshiro Aman, Mari Miyauchi, Masakazu Hosono, Dan Sakurai, Kosuke Takano +1 more 2012-06-05
8098429 Projection-type image display apparatus Takumi Kijima, Tomomi Matsui, Kohei Eto 2012-01-17
8008222 Dielectric ceramic composition and electronic device Tomoya Shibasaki 2011-08-30
7907979 Electronic apparatus, display control method and recording medium Shigeru Yamaguchi, Shigeo Nonoyama, Hiroshi Kobayashi, Tomoyuki Nagamine, Tetsuya Hori +9 more 2011-03-15
7898793 Laminated ceramic capacitor Kazushige Ito, Haruya Hara, Toshihiro Iguchi, Shigeki Sato, Akira Sato 2011-03-01
7868694 Variable resistor array and amplifier circuit 2011-01-11
7832830 Inkjet recording device 2010-11-16
7625543 Production process for carbonized product and carbonized product obtained by the same process Ryusuke Shigematsu, Koichi Kanno, Takahiro Ojima 2009-12-01
7580242 Dielectric ceramic composition and electronic device Sanshiro Aman, Mari Miyauchi, Masakazu Hosono, Dan Sakurai, Kosuke Takano +1 more 2009-08-25
7575663 Gas sensor Satoshi Nakamura, Daisuke Makino 2009-08-18
7569792 Compact structure of gas sensor and production method thereof Hirokazu Yamada, Isao Watanabe 2009-08-04
7567873 Nondestructive inspection method and apparatus for a surface processed by shot peening Masao Kumagai, Kiyoshi Hoshikawa, Shozo Ishibashi 2009-07-28
7516646 Impact test apparatus Yoshiki Makimoto 2009-04-14
7430142 Skew adjusting circuit and semiconductor integrated circuit 2008-09-30
7420441 Method of manufacturing monolithic surface acoustic wave device and integrated circuit Aritsugu Yajima, Hisakatsu Sato 2008-09-02
7419390 Connector structure Kazuto Ohtaka, Toshiharu Takahashi 2008-09-02
7253300 Production process for high purity tricyclo-[5.2.1.02,6]decane-2-carboxylic acid ester Mitsuharu Kitamura, Yoshiharu Ataka, Tomoaki Kubota, Kinji Kato, Kazuyuki Fukuda 2007-08-07
7178382 Structure of gas sensor designed to reduce mechanical damage to sensor element Hirofumi Noda 2007-02-20
7158570 Motion picture encoding apparatus Takefumi Nagumo, Hiroyuki Yasuda, Satoshi Mitsuhashi, Yuji Ando, Yiwen Zhu 2007-01-02
7115238 Crystalline silicoaluminophosphate salt molecular sieve having octaoxygen-membered ring pore, process for producing the same and process for producing methylamine with the molecular sieve as catalyst Katsumi Higuchi, Akio Hashimoto, Toshihiro Nomura, Sachiko Arie, Takuo Ohshida 2006-10-03
6997036 Vehicle impact testing device Makoto Iwazaki, Yasuo Odawara 2006-02-14