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

Masahiro Asano — 58 Patents

Denso: 32 patents #145 of 11,792Top 2%
RERenesas Electronics: 6 patents #669 of 4,529Top 15%
ACAlps Electric Co.: 5 patents #368 of 2,177Top 20%
Toyota: 3 patents #8,352 of 26,838Top 35%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
SCSumitomo Special Metals Co.: 3 patents #65 of 262Top 25%
ACAlps Alpine Co.: 1 patents #246 of 525Top 50%
Nec: 1 patents #7,889 of 14,502Top 55%
NCNeomax Co.: 1 patents #41 of 95Top 45%
NCNippondenso Co.: 1 patents #1,765 of 3,479Top 55%
HEHitachi Kokusai Electric: 1 patents #493 of 843Top 60%
MCMakino Milling Machine Co.: 1 patents #91 of 184Top 50%
FUFujikura: 1 patents #788 of 1,407Top 60%
Overall (All Time): #41,771 of 4,157,543Top 2%
58 Patents All Time

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #TitleCo-InventorsDate
8649955 Engine control system with algorithm for actuator control Sumitaka Ikeda, Koji Ishizuka, Yoshimitsu Takashima, Satoru Sasaki, Kazuhiro Higuchi +2 more 2014-02-11
8605744 Semiconductor integrated circuit device Yuriko Nishihara 2013-12-10
8401762 Engine control system with algorithm for actuator control Yoshimitsu Takashima, Koji Ishizuka, Satoru Sasaki, Kazuhiro Higuchi, Sumitaka Ikeda +2 more 2013-03-19
8392731 Semiconductor integrated circuit device Yuriko Nishihara 2013-03-05
8370065 Engine control system with algorithm for actuator control Yoshimitsu Takashima, Koji Ishizuka, Youhei Morimoto, Mitsuhiro Nishimura, Sumitaka Ikeda +2 more 2013-02-05
7664592 Fuel injection control apparatus Eiji Takemoto, Yuuki Tarusawa 2010-02-16
7660661 Fuel injection control device Eiji Takemoto 2010-02-09
7596992 Fuel injection control apparatus designed to compensate for deviation of quantity of fuel sprayed from fuel injector Eiji Takemoto, Yuuki Tarusawa 2009-10-06
7363912 Fuel injection controller for engine Eiji Takemoto 2008-04-29
7179197 Clutch state determining device Eiji Takemoto 2007-02-20
7032582 Injection control system of internal combustion engine Eiji Takemoto 2006-04-25
7021288 Injection control apparatus for an engine Eiji Takemoto, Akira Umehara 2006-04-04
6990950 Fuel injection system of internal combustion engine Yoshihiro Narahara, Eiji Takemoto, Akira Umehara 2006-01-31
6990958 Injection control system of diesel engine Eiji Takemoto, Hiroshi Haraguchi 2006-01-31
6988030 Injection control system of internal combustion engine Eiji Takemoto, Hiroshi Haraguchi 2006-01-17
6985807 Injection quantity controller for an internal combustion engine Eiji Takemoto 2006-01-10
6941113 Transceiver capable of adaptively selecting a modulation method based on the transmission power and channel condition 2005-09-06
6923898 Electroplating device, and process for electroplating work using the device Kohshi Yoshimura, Takeshi Nishiuchi, Fumiaki Kikui, Takahiro Isozaki 2005-08-02
6907861 Injection quantity control device of diesel engine Yoshihiro Narahara, Eiji Takemoto 2005-06-21
6561869 Gear grinding machine and gear grinding method Katsumi Nagasaka, Toshiya Hayashi, Hisatoshi Kojima 2003-05-13
6423369 Process for sealing pores in molded product, and bonded magnet with pores sealed by the process Kohshi Yoshimura, Takeshi Nishiuchi, Fumiaki Kikui, Takahiro Isozaki 2002-07-23
6348138 Electroplating device for electroplating a work by rotation Kohshi Yoshimura, Takeshi Nishiuchi, Fumiaki Kikui, Takahiro Isozaki 2002-02-19
6313730 Linear sliding variable resistor Tatsuya Ohara 2001-11-06
6308549 Apparatus and method for forming spirally wound stator core or rotary electric machine Takashi Tokizawa, Katsumi Nagasaka, Toshihiko Fujimoto, Katsumi Matsumoto, Katsuyoshi Shiraishi +2 more 2001-10-30
6290420 Connection structure of electrical component 2001-09-18