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

Minoru Tanaka

HIHitachi: 22 patents #1,535 of 28,497Top 6%
Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
SESeiko Epson: 11 patents #1,668 of 7,774Top 25%
JSJfe Steel: 10 patents #175 of 1,401Top 15%
SOSony: 6 patents #6,793 of 25,231Top 30%
JSJsr: 5 patents #221 of 1,137Top 20%
KTKabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
Nichia: 5 patents #398 of 1,531Top 30%
JCJms Co.: 5 patents #15 of 184Top 9%
TKTateho Kagaku Kogyo Kabushiki Kaisha: 4 patents #1 of 6Top 20%
SCShiroki Kogyo Co.: 4 patents #1 of 31Top 4%
FCFuji Photo Optical Co.: 4 patents #132 of 509Top 30%
TIToyota Industries: 4 patents #358 of 1,610Top 25%
TIToray Industries: 4 patents #687 of 3,690Top 20%
TCTachibana Eletech Co.: 4 patents #2 of 14Top 15%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
ASAsics: 3 patents #108 of 285Top 40%
AZAzbil: 3 patents #59 of 257Top 25%
FUFujifilm: 3 patents #1,989 of 4,519Top 45%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
SCStanley Electric Co.: 3 patents #245 of 1,072Top 25%
MCMitsubishi Chemical: 3 patents #1,511 of 3,022Top 50%
YCYamatake-Honeywell Co.: 2 patents #37 of 169Top 25%
Canon: 2 patents #12,681 of 19,416Top 70%
MKMitsubishikaseikogyo Kabushiki Kaisha: 2 patents #2 of 49Top 5%
TLToyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
MIMitutoyo: 2 patents #351 of 721Top 50%
FUFujikura: 2 patents #518 of 1,407Top 40%
NCNippon Kokan Co.: 1 patents #290 of 735Top 40%
NCNippon Light Metal Company: 1 patents #203 of 499Top 45%
NSNippon Steel: 1 patents #2,111 of 4,423Top 50%
NMNisshin Flour Milling: 1 patents #178 of 320Top 60%
RIRailway Technical Research Institute: 1 patents #70 of 233Top 35%
RIRimtec: 1 patents #8 of 20Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
HMHitachi Medical: 1 patents #371 of 680Top 55%
TOToyota: 1 patents #15,335 of 26,838Top 60%
FUFujinon: 1 patents #170 of 339Top 55%
TATaisei: 1 patents #56 of 224Top 25%
TETeac: 1 patents #255 of 440Top 60%
TCTeijin Seiki Co.: 1 patents #75 of 143Top 55%
TCToagosei Co.: 1 patents #155 of 338Top 50%
TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
ECElectric Power Development Co.: 1 patents #44 of 132Top 35%
TCToyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
TCT&S Co.: 1 patents #9 of 21Top 45%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
PAPanasonic: 1 patents #13,264 of 21,108Top 65%
JCJ.S.T. Mfg. Co.: 1 patents #144 of 255Top 60%
KCKonishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
KOKasei Optonix: 1 patents #58 of 142Top 45%
KCKumahira Safe Co.: 1 patents #5 of 15Top 35%
MKMino Ganryo Kagaku: 1 patents #5 of 5Top 100%
JRJapan Synthetic Rubber: 1 patents #256 of 558Top 50%
NENec: 1 patents #7,889 of 14,502Top 55%
IIIzumi Industries: 1 patents #5 of 10Top 50%
Overall (All Time): #4,709 of 4,157,543Top 1%
171 Patents All Time

Issued Patents All Time

Showing 51–75 of 171 patents

Patent #TitleCo-InventorsDate
6978222 Method of determining level of effect of system entity on system performance, by use of active time of same entity Christoph Hermann Roser, Masaru Nakano 2005-12-20
6803423 (Meth)acryloyl group-modified ethylene-alpha-olefin copolymer, production method thereof and rubber composition Toshiyuki Hayakawa, Toshihiro Nishimura, Motoharu Higuchi, Shoei Tsuji 2004-10-12
6767391 Air filter Jun Shimada, Katsuhiro Yamashita, Haruko Sasaki 2004-07-27
6703103 Biologically soluble honeycomb structure Haruko Sasaki 2004-03-09
6699152 Speed reduction gear 2004-03-02
6658733 Method of manufacturing via interconnection of glass-ceramic wiring board Norihiro Ami, Masahide Okamoto, Shosaku Ishihara, Mutsumi Horikoshi, Akihiro Yasuda 2003-12-09
6609826 Mobile radiography device Shigeo Fujii, Kouichiro Oku, Yoshitomo Tsukamoto, Atsushi Ninomiya, Ryosuke Fukami 2003-08-26
6580571 Lens apparatus Tadashi Sasaki, Syunichiro Ouchi, Keiji Kaneko, Atsushi Kanayama 2003-06-17
6534586 Flame-retardant rubber composition and flame-retardant elastomer Shoei Tsuji, Junji Ayukawa, Toshiyuki Hayakawa, Fumio Tsutsumi 2003-03-18
6524680 Honeycomb structure Masahiro Koizumi, Hidenori Oikawa 2003-02-25
6490136 Magnetic head, manufacturing method thereof, and magnetic disk drive Wataru Ito, Hideaki Hayasaka 2002-12-03
6467191 Air ventilation structure of shoe sole Tomohiro Hayashi 2002-10-22
6456796 Manual and electric motor operated apparatus for lens barrels Keiji Kaneko, Hidetomo Tateno 2002-09-24
6440477 Method of adding fats and oils to porous fodder Masashi Nishioka, Ryoji Aoyama, Takayuki Ando 2002-08-27
6384347 Glass-ceramic wiring board Norihiro Ami, Masahide Okamoto, Shosaku Ishihara, Mutsumi Horikoshi, Akihiro Yasuda 2002-05-07
6350189 Grinding device 2002-02-26
6344073 Dehumidifying material, dehumidifying element and manufacturing method therefor Masaji Kurosawa, Yuji Matsumura, Haruko Sasaki 2002-02-05
6330066 Height measuring apparatus and method and testing apparatus using the height measuring apparatus Kuniyoshi Takeuchi 2001-12-11
6308013 Converter unit of camera Shigeru Yamamoto 2001-10-23
6248960 Ceramics substrate with electronic circuit and its manufacturing method Norihiro Ami, Masahide Okamoto, Shosaku Ishihara, Mutsumi Horikoshi, Akihiro Yasuda 2001-06-19
6230544 Frictional wear testing apparatus and frictional wear testing method Tooru Matsubara 2001-05-15
6156378 Process for producing pressure-sensitive adhesive sheet Akemi Koketsu, Hiroshi Iesako 2000-12-05
6132852 Multilayer wiring substrate and method for production thereof Masahiro Suzuki, Akio Takahashi, Haruhiko Matsuyama, Haruo Akahoshi 2000-10-17
6126341 Serial recording apparatus and method Kiyofumi Koike 2000-10-03
6123854 Flocculant compositions and water treatment method using the same Nobuo Iwane, Teruo Aoe, Takuma Miyazawa, Shigemi Aruga, Yoshitaro Tanaka 2000-09-26