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

Akira Tanabe — 57 Patents

RERenesas Electronics: 20 patents #100 of 4,529Top 3%
Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
Nec: 7 patents #2,006 of 14,502Top 15%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
TLTokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
NSNippon Steel: 2 patents #1,308 of 4,423Top 30%
Toyota: 1 patents #15,335 of 26,838Top 60%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
NLNoritake Co., Limited: 1 patents #133 of 334Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TKTokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
TOTopcon: 1 patents #425 of 684Top 65%
GCGlobal Nuclear Fuel—Japan Co.: 1 patents #2 of 20Top 10%
Overall (All Time): #43,045 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
8853982 Motor control device Kazuaki Ando, Noriyasu Hasegawa 2014-10-07
8841771 Semiconductor device Masayuki Furumiya, Yasutaka Nakashiba 2014-09-23
8779712 Motor control device Hiroyuki Sekiguchi, Hidetoshi Ikeda 2014-07-15
8736211 Motor control device Yoshihiro Marushita, Hidetoshi Ikeda, Kei Terada, Tetsuya Tanabe, Masahiko Yoshida +1 more 2014-05-27
8642478 Plasma processing method and plasma processing apparatus Yoshinobu Ooya, Yoshinori Yasuta 2014-02-04
8604617 Semiconductor device Masayuki Furumiya, Yasutaka Nakahsiba 2013-12-10
8487734 Inductor 2013-07-16
8390386 Variable inductor 2013-03-05
8358009 Semiconductor device Masayuki Furumiya, Yasutaka Nakashiba 2013-01-22
8339230 Inductor element, inductor element manufacturing method, and semiconductor device with inductor element mounted thereon Kenichiro Hijioka, Yoshihiro Hayashi 2012-12-25
8310316 Oscillator circuit Naoya Inoue 2012-11-13
8305151 Resonance type oscillation circuit and semiconductor device 2012-11-06
8143986 Inductor 2012-03-27
7408962 Demultiplexer apparatus and communication apparatus using the same 2008-08-05
7404157 Evaluation device and circuit design method used for the same 2008-07-22
6847695 Nuclear fuel assembly lower tie-plate and method of its assembling Takao Kageyama, Yuji Iwamoto, Yasuhiro Masuhara, Takanori Fukahori, Akihiro Yamanaka +1 more 2005-01-25
6449856 Laser plumbing device, long member plumbing device and long member plumbing method Yuuji Matsumoto, Tatsusei Minami, Osamu Yoda 2002-09-17
6287020 Observation apparatus and fusion splicer for optical fibers Keiji Osaka, Kazunari Hattori, Tsutomu Watanabe 2001-09-11
D388455 Printer 1997-12-30
D378099 Copier Kenzo Yoshida, Kenji Ohta 1997-02-18
5457421 Voltage stepdown circuit including a voltage divider 1995-10-10
5451891 Potential detecting circuit 1995-09-19
D359750 Electronic typewriter Kenzo Yoshida 1995-06-27
5418392 LDD type MOS transistor 1995-05-23
5351215 Dynamic random access memory device having a transfer circuit for coupling a sense amplifier circuit with an accessed cell and a plate line 1994-09-27