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

Masafumi Ito

TETeac: 188 patents #1 of 440Top 1%
Yamaha: 38 patents #17 of 2,001Top 1%
TIToyota Industries: 11 patents #904 of 1,610Top 60%
SLSemiconductor Energy Laboratory: 7 patents #603 of 1,113Top 55%
Bridgestone: 5 patents #476 of 2,860Top 20%
Brother Kogyo: 5 patents #1,308 of 2,767Top 50%
NCNu Eco Engineering Co.: 4 patents #3 of 12Top 25%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
ASAsics: 4 patents #79 of 285Top 30%
MUMeijo University: 2 patents #21 of 103Top 25%
TLTokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
BIBrother Industries: 1 patents #24 of 45Top 55%
KCKatagiri Engineering Co.: 1 patents #6 of 11Top 55%
MMMitsubishi Materials: 1 patents #812 of 1,543Top 55%
NUNagoya University: 1 patents #34 of 109Top 35%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NCNpc Co.: 1 patents #7 of 17Top 45%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Hamamatsu, JP: #4 of 41 inventorsTop 10%
Overall (All Time): #1,610 of 4,157,543Top 1%
273 Patents All Time

Issued Patents All Time

Showing 26–50 of 273 patents

Patent #TitleCo-InventorsDate
D748607 Digital mixer 2016-02-02
D748077 Part of a digital mixer 2016-01-26
D742304 Motorcycle tire 2015-11-03
D730324 Digital mixer 2015-05-26
9041937 Interference measurement device and measurement method Masaru Hori, Yasuhiro Higashijima, Takayuki Ohta 2015-05-26
9009563 Cyclic redundancy check circuit and semiconductor device having the cyclic redundancy check circuit Tomoaki Atsumi 2015-04-14
8638034 Multi-micro hollow cathode light source and atomic absorption sepctrometer Masaru Hori, Takayuki Ohta, Hiroyuki Kano, Koji Yamakawa 2014-01-28
8627170 Cyclic redundancy check circuit and semiconductor device having the cyclic redundancy check circuit Tomoaki Atsumi 2014-01-07
D692414 Digital mixer 2013-10-29
8488347 Semiconductor device using DC/DC converter 2013-07-16
D681544 Motorcycle tire 2013-05-07
D680519 Digital mixer 2013-04-23
8365309 Memory device 2013-01-29
8355520 Music player 2013-01-15
8351039 Spectroscopy method and spectroscope Norihiko Nishizawa, Masaru Hori, Toshio Goto, Hiroyuki Kano 2013-01-08
8141501 Method and facility for disposing wet sludge Koji Nagamizu, Akihisa Koga, Hiroyuki Terunuma, Yusuke Nakai, Koyuru Horiike 2012-03-27
8044316 Slide operation apparatus and knob therefor 2011-10-25
7974111 DC/DC converter and semiconductor device using DC/DC converter 2011-07-05
7855788 Spectroscopy method and spectroscope Norihiko Nishizawa, Masaru Hori, Toshio Goto, Hiroyuki Kano 2010-12-21
D616866 Audio mixer 2010-06-01
D616867 Audio mixer 2010-06-01
D616868 Audio mixer 2010-06-01
D614855 Shoe lace system Masanobu Inohara, Takehiro Tagawa, Toshihiko Nakamura 2010-05-04
7712009 Cyclic redundancy check circuit and semiconductor device having the cyclic redundancy check circuit Tomoaki Atsumi 2010-05-04
7710562 Atomic analyzer Masaru Hori 2010-05-04