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

Yuki Tanaka

NENec: 10 patents #1,345 of 14,502Top 10%
SCShin-Etsu Handotai Co.: 10 patents #71 of 679Top 15%
HCHoriba Stec, Co.: 9 patents #8 of 163Top 5%
NINgk Insulators: 9 patents #362 of 2,083Top 20%
PAPanasonic: 8 patents #3,315 of 21,108Top 20%
ADAdeka: 6 patents #53 of 499Top 15%
SCSanken Electric Co.: 5 patents #64 of 315Top 25%
FIFujifilm Business Innovation: 5 patents #280 of 1,659Top 20%
TOToto: 4 patents #244 of 1,113Top 25%
TCThk Co.: 4 patents #95 of 450Top 25%
SHSumitomo Electric Hardmetal: 4 patents #108 of 278Top 40%
Canon: 4 patents #10,118 of 19,416Top 55%
MCMitsubishi Chemical: 3 patents #645 of 3,022Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
HUHiroshima University: 3 patents #41 of 421Top 10%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
HHHitachi High-Technologies: 2 patents #456 of 1,200Top 40%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
MCMenicon Co.: 2 patents #89 of 263Top 35%
SCShin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
SUSubaru: 2 patents #474 of 1,684Top 30%
TCTaiho Pharmaceutical Co.: 2 patents #143 of 484Top 30%
U-U-Shin: 2 patents #13 of 73Top 20%
WAWalbro: 2 patents #81 of 212Top 40%
SOSony: 2 patents #12,963 of 25,231Top 55%
TOToyota: 2 patents #10,861 of 26,838Top 45%
SHShimadzu: 1 patents #1,152 of 2,007Top 60%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
ICIbiden Co.: 1 patents #451 of 730Top 65%
SMSmk: 1 patents #144 of 269Top 55%
CACataler: 1 patents #176 of 277Top 65%
SCSumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
HOHoriba: 1 patents #319 of 604Top 55%
HSHitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
EBEbara: 1 patents #1,014 of 1,611Top 65%
HAHitachi Astemo: 1 patents #649 of 1,276Top 55%
TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
FUFujikura: 1 patents #788 of 1,407Top 60%
DEDenso: 1 patents #6,940 of 11,792Top 60%
MIMitutoyo: 1 patents #455 of 721Top 65%
KSKyocera Document Solutions: 1 patents #1,174 of 1,545Top 80%
KSKobe Steel: 1 patents #937 of 1,773Top 55%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
NCNippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
RCRiken Keiki Co.: 1 patents #14 of 35Top 40%
KDKabushiki Kaisha Dnaform: 1 patents #9 of 27Top 35%
Overall (All Time): #8,247 of 4,157,543Top 1%
131 Patents All Time

Issued Patents All Time

Showing 126–131 of 131 patents

Patent #TitleCo-InventorsDate
D621492 Air conditioner Shinji Yamana 2010-08-10
7746678 Amplifier circuit and associative memory Hans Juergen Mattausch, Tetsushi Koide, Md. Anwarul Abedin 2010-06-29
7465761 Flame retardant composition with improved fluidity, flame retardant resin composition and molded products Hisashi Murase, Masaru Nagahama, Kenichi Yoshikawa, Takayoshi Kaneda, Akihiro Yamaki 2008-12-16
7101497 Photochromic material and color dose meter using the same Naoto Kijima, Shinichirou Nakamura, Masahiro Irie, Setsuko Irie 2006-09-05
6419859 Mold assembly for forming ophthalmic lens or lens blank and method of producing the same using the mold assembly Chikai Kosaka 2002-07-16
6224467 Method of producing ocular lens and holders for holding lens blank during cutting thereof Yasuyoshi Yamamoto, Masahiro Sasaki, Toshikazu Miura, Seiichi Ichikawa, Hiroyuki Tajima 2001-05-01