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 51–75 of 95 patents

Patent #TitleCo-InventorsDate
6770914 III nitride semiconductor substrate for ELO Tomohiko Shibata, Keiichiro Asai, Shigeaki Sumiya 2004-08-03
6765244 III nitride film and a III nitride multilayer Tomohiko Shibata, Shigeaki Sumiya, Keiichiro Asai 2004-07-20
6759715 Epitaxial base substrate and epitaxial substrate Tomohiko Shibata, Osamu Oda, Yukinori Nakamura 2004-07-06
6749957 Method for fabricating a III nitride film, substrate for epitaxial growth, III nitride film, epitaxial growth substrate for III nitride element and III nitride element Tomohiko Shibata, Shigeaki Sumiya 2004-06-15
6727164 Method for fabricating a semiconducting nitride film, susceptor tray, and apparatus for fabricating a semiconducting nitride film Tomohiko Shibata, Yukinori Nakamura, Keiichiro Asai 2004-04-27
6713954 Light-emitting element Akihiro Wakahara, Tomohiko Shibata, Osamu Oda 2004-03-30
6709703 Method for fabricating a III-V nitride film and an apparatus for fabricating the same Tomohiko Shibata, Yukinori Nakamura 2004-03-23
6707076 Semiconductor element Yuji Hori, Tomohiko Shibata, Osamu Oda 2004-03-16
6706620 Method for fabricating a nitride film Tomohiko Shibata, Keiichiro Asai, Osamu Oda 2004-03-16
6703649 Semiconductor element Tomohiko Shibata, Keiichiro Asai, Osamu Oda 2004-03-09
6703255 Method for fabricating a III nitride film Tomohiko Shibata, Shigeaki Sumiya, Keiichiro Asai 2004-03-09
6693302 Semiconductor light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2004-02-17
6677708 Semiconductor light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2004-01-13
6661483 Liquid crystal display device Hiroyuki Moriwaki 2003-12-09
6649493 Method for fabricating a III nitride film, and underlayer for fabricating a III nitride film and a method for fabricating the same underlayer Keiichiro Asai, Tomohiko Shibata, Yukinori Nakamura 2003-11-18
6649288 Nitride film Tomohiko Shibata, Yukinori Nakamura 2003-11-18
6623877 III nitride epitaxial wafer and usage of the same Tomohiko Shibata, Yukinori Nakamura 2003-09-23
6618107 Reflection-type color liquid crystal display device and manufacturing method thereof Kazuya Yoshimura 2003-09-09
6605895 Light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2003-08-12
6597023 Semiconductor light-detecting element Tomohiko Shibata, Keiichiro Asai, Shigeaki Sumiya 2003-07-22
6583468 Semiconductor element Yuji Hori, Tomohiko Shibata, Osamu Oda 2003-06-24
6573535 Semiconductor light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2003-06-03
6534795 Semiconductor light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2003-03-18
6513620 Steering valve device Hideki Igawa 2003-02-04
6495894 Photonic device, a substrate for fabricating a photonic device, a method for fabricating the photonic device and a method for manufacturing the photonic device-fabricating substrate Tomohiko Shibata, Keiichiro Asai, Teruyo Nagai 2002-12-17