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 26–50 of 95 patents

Patent #TitleCo-InventorsDate
8093601 Active matrix substrate Tadayoshi Miyamoto 2012-01-10
8026718 Magnetic sensor, hall element, hall IC, magnetoresistive effect element, method of fabricating hall element, and method of fabricating magnetoresistive effect element Makoto Miyoshi 2011-09-27
8008689 MIS gate structure type HEMT device and method of fabricating MIS gate structure type HEMT device Makoto Miyoshi 2011-08-30
7982241 Epitaxial substrate, semiconductor device substrate, and HEMT device Yoshitaka Kuraoka, Makoto Miyoshi, Shigeaki Sumiya 2011-07-19
7955437 Apparatus for fabricating a III-V nitride film Tomohiko Shibata, Yukinori Nakamura 2011-06-07
7825417 Epitaxial wafers, method for manufacturing of epitaxial wafers, method of suppressing bowing of these epitaxial wafers and semiconductor multilayer structures using these epitaxial wafers Masahiro Sakai, Takashi Egawa 2010-11-02
7612448 Power module having a cooling device and semiconductor devices mounted on a resin substrate, method of producing same, and air conditioner Junichi Teraki 2009-11-03
7479658 Epitaxial wafers, method for manufacturing of epitaxial wafers, method of suppressing bowing of these epitaxial wafers and semiconductor multilayer structures using these epitaxial wafers Masahiro Sakai, Takashi Egawa 2009-01-20
7438761 Apparatus for fabricating a III-V nitride film and a method for fabricating the same Tomohiko Shibata, Keiichiro Asai 2008-10-21
RE40485 Semiconductor light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2008-09-09
RE40163 Semiconductor light-emitting element Yuji Hori, Tomohiko Shibata, Osamu Oda 2008-03-25
7317501 Optical film, light reflective film, liquid crystal display panel, method and apparatus for producing an optical film, method of producing a die roller, and method and apparatus for laminating an optical film Yuji Saai 2008-01-08
7172956 Substrate for semiconductor light-emitting element, semiconductor light-emitting element and semiconductor light-emitting element fabrication method Yuji Hori, Osamu Oda, Bruno Daudin, Eva Monroy 2007-02-06
7135347 Method for manufacturing nitride film including high-resistivity GaN layer and epitaxial substrate manufactured by the method Makoto Miyoshi, Masahiro Sakai, Takashi Egawa, Hiroyasu Ishikawa 2006-11-14
7067847 Semiconductor element Tomohiko Shibata, Keiichiro Asai, Yukinori Nakamura 2006-06-27
7033439 Apparatus for fabricating a III-V nitride film and a method for fabricating the same Tomohiko Shibata, Keiichiro Asai 2006-04-25
6989202 Method for fabricating a III nitride film, an underlayer for fabricating a III nitride film and a method for fabricating the same underlayer Keiichiro Asai, Tomohiko Shibata, Yukinori Nakamura 2006-01-24
6943366 Substrate for semiconductor light-emitting element, semiconductor light-emitting element and semiconductor light-emitting element fabrication method Yuji Hori, Osamu Oda, Bruno Daudin, Eva Monroy 2005-09-13
6869702 Substrate for epitaxial growth Tomohiko Shibata, Shigeaki Sumiya, Keiichiro Asai 2005-03-22
6844611 III nitride epitaxial substrate, epitaxial substrate for III nitride element, and III nitride element that includes a surface nitride layer formed on the main surface of a sapphire single crystal Tomohiko Shibata, Shigeaki Sumiya, Keiichiro Asai 2005-01-18
6835965 Semiconductor light-emitting devices Tomohiko Shibata, Osamu Oda, Takashi Egawa 2004-12-28
6824935 Substrate having colored layers and method for producing the same Yoshihide Koyama, Kazuya Yoshimura 2004-11-30
6815867 Substrate usable for an acoustic surface wave device, a method for fabricating the same substrate and an acoustic surface wave device having the same substrate Tomohiko Shibata, Yukinori Nakamura 2004-11-09
6805982 Epitaxial substrates and semiconductor devices Tomohiko Shibata, Keiichiro Asai, Shigeaki Sumiya 2004-10-19
6781164 Semiconductor element Yuji Hori, Tomohiko Shibata, Osamu Oda 2004-08-24