TK

Toshio Kumamoto

Mitsubishi Electric: 37 patents #284 of 25,717Top 2%
RE Renesas Electronics: 13 patents #207 of 4,529Top 5%
RT Renesas Technology: 11 patents #212 of 3,337Top 7%
RD Renesas Device Design: 5 patents #1 of 22Top 5%
MI Mitsubishi: 1 patents #54 of 173Top 35%
Overall (All Time): #37,040 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDate
9473088 Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier Yoshihiro Funato, Tomoaki Yoshizawa, Kazuaki Kurooka 2016-10-18
9166541 Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier Yoshihiro Funato, Tomoaki Yoshizawa, Kazuaki Kurooka 2015-10-20
9118341 Delta-sigma A/D converter Takashi Matsumoto, Takashi Okuda 2015-08-25
8330199 Semiconductor device having resistors with a biased substrate voltage Masaomi Kamakura, Takashi Okuda 2012-12-11
8237282 Semiconductor device Takashi Okuda, Yasuo Morimoto, Yuko Maruyama 2012-08-07
8223050 Delta-sigma A/D converter Takashi Matsumoto, Takashi Okuda 2012-07-17
8188526 Semiconductor device Takashi Okuda 2012-05-29
8089136 Semiconductor device Hiroyuki Amishiro, Motoshige Igarashi, Kenji Yamaguchi 2012-01-03
7952506 ΔΣ-type A/D converter Takashi Okuda, Tatsuo Sengoku, Akira Kitaguchi 2011-05-31
7915708 Semiconductor device Takashi Okuda, Yasuo Morimoto, Yuko Maruyama 2011-03-29
7868413 Semiconductor device Takashi Okuda 2011-01-11
7847714 ΔΣ-type A/D converter Takashi Okuda, Tatsuo Sengoku, Akira Kitaguchi 2010-12-07
7821078 Semiconductor device having resistor elements and method for manufacturing the same Hiroyuki Amishiro, Motoshige Igarashi, Kenji Yamaguchi 2010-10-26
7710304 A/D converter and semiconductor device Takashi Okuda 2010-05-04
7557427 Semiconductor device Takashi Okuda, Yasuo Morimoto, Yuko Maruyama 2009-07-07
7446390 Semiconductor device Takashi Okuda, Yasuo Morimoto, Yuko Maruyama 2008-11-04
7362194 Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics Hiroshi Komurasaki, Tomohiro Sano, Hisayasu Sato, Yasushi Hashizume 2008-04-22
7276776 Semiconductor device Takashi Okuda, Yasuo Morimoto, Yuko Maruyama 2007-10-02
7202754 Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics Hiroshi Komurasaki, Tomohiro Sano, Hisayasu Sato, Yasushi Hashizume 2007-04-10
7045865 Semiconductor device with resistor elements formed on insulating film Hiroyuki Amishiro, Motoshige Igarashi, Kenji Yamaguchi 2006-05-16
7009539 Modulator providing only quantization error component to delta sigma modulator Takashi Okuda, Yasuo Morimoto 2006-03-07
6809582 Semiconductor device including a differential transistor pair Yasuo Morimoto, Takashi Okuda 2004-10-26
6784548 Semiconductor device having dummy patterns for metal CMP Hiroyuki Kouno, Takahiro Miki, Hisayasu Satoh 2004-08-31
6734816 D/A converter with high jitter resistance Yasuo Morimoto, Takashi Okuda 2004-05-11
6734814 Modulator Takashi Okuda, Yasuo Morimoto 2004-05-11