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

Mitsuhiro Tanaka — 95 Patents

NINgk Insulators: 75 patents #10 of 2,083Top 1%
DIDaikin Industries: 7 patents #494 of 2,957Top 20%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
UNUnknown: 4 patents #4,220 of 83,584Top 6%
ACAsahi Kasei Kogyo Co.: 3 patents #207 of 1,395Top 15%
CEA: 2 patents #2,014 of 7,956Top 30%
MIMitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%
TIToyota Industries: 1 patents #505 of 955Top 55%
NSNippon Gakki Seizo: 1 patents #163 of 332Top 50%
AKAsahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Overall (All Time): #16,094 of 4,157,543Top 1%
95 Patents All Time

Issued Patents All Time

Showing 76–95 of 95 patents

Patent #TitleCo-InventorsDate
6492191 Method for manufacturing an A1xGayInzN film using a metal film for heat radiation Tomohiko Shibata, Keiichiro Asai, Teruyo Nagai 2002-12-10
6373353 Surface acoustic wave transducer using NSPUDT property substrate and surface acoustic wave filter using the transducer Masao Takeuchi, Kazuhiko Yamanouchi, Hiroyuki Odagawa 2002-04-16
6316068 Elastomer composition Tetsuo Masubuchi 2001-11-13
6285112 Surface acoustic wave device comprising langasite single crystal substrate Masao Takeuchi, Yuichiro Imanishi 2001-09-04
6275123 Surface acoustic wave matched filter with dispersive substrate and saw group velocity based output electrode design Tomohiko Shibata, Yuji Hori 2001-08-14
6194809 Surface acoustic wave device comprising langasite single crystal substrate Masao Takeuchi 2001-02-27
6176510 Air bag cover containing a block copolymer polypropylene resin blend Tetsuo Masubuchi 2001-01-23
6127904 Surface acoustic wave filter having unidirectional and bidirectional transducers Susumu Nomoto, Masahiko Sugiyama, Kenji Suzuki 2000-10-03
6106011 Air bag cover from hydrogenated block copolymer mixture and polyolefin Tetsuo Masubuchi 2000-08-22
5909157 Surface acoustic wave filter device and transducer therefor having unidirectional and bidirectional structures Susumu Nomoto, Masahiko Sugiyama, Kenji Suzuki 1999-06-01
5773911 Surface acoustic wave device Masao Takeuchi, Kazuhiko Yamanouchi, Hiroyuki Odagawa 1998-06-30
5698927 Surface acoustic wave device Masao Takeuchi, Kazuhiko Yamanouchi, Hiroyuki Odagawa 1997-12-16
5663695 Surface acoustic wave filter device and transducer therefor Susumu Nomoto, Masahiko Sugiyama, Kenji Suzuki 1997-09-02
5438306 Surface acoustic wave filter device with symmetrical electrode arrangement Kazuhiko Yamanouchi, Yasufumi Horio 1995-08-01
5306978 Surface acoustic wave unidirectional transducer having floating electrodes Kazuhiko Yamanouchi 1994-04-26
5294859 Surface acoustic wave filter device Kazuhiko Yamanouchi, Masahiko Sugiyama, Yasufumi Horio, Masatsugu Oshima, Kenji Suzuki 1994-03-15
4970258 Aqueous dispersion and process for preparation thereof Shiro Homma, Masatoshi Kashiwagi 1990-11-13
4931376 Crystalline trans-butadiene polymers Takeshi Ikematsu, Yasuo Hattori, Yoshihiro Inoki 1990-06-05
4599275 Metal-deposited paper and method for production thereof Akira Hayashi, Yutaka Hirota 1986-07-08
4504215 Liquid fuel burner Junichiro Akiyama, Yoshihisa Moriuchi 1985-03-12