TK

Tadao Kadowaki

SE Seiko Epson: 11 patents #1,668 of 7,774Top 25%
Overall (All Time): #426,370 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
RE39329 Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same Hiroshi Yabe, Shinji Nakamiya, Yoshiki Makiuchi 2006-10-10
6686792 Electronic circuit, semiconductor device, electronic equipment, and timepiece Shinji Nakamiya, Yoshiki Makiuchi 2004-02-03
6603175 Operating circuit with voltage regular circuit having at least a partially depleted soi field effect transistor Akihiko Ebina, Masayuki Yamaguchi, Yoko Sato 2003-08-05
6593823 Oscillation circuit and electronic circuit, and semiconductor device, timepiece and electronic equipment provided with the same Shinji Nakamiya, Hiroshi Yabe, Yoshiki Makiuchi 2003-07-15
6421261 Power supply apparatus with unidirectional units Teruhiko Fujisawa, Hiroshi Yabe, Osamu Shinkawa 2002-07-16
6411169 Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same Hiroshi Yabe, Shinji Nakamiya, Yoshiki Makiuchi 2002-06-25
6288600 Electronic circuit, semiconductor device, electronic equipment, and timepiece Yoshiki Makiuchi, Shinji Nakamiya 2001-09-11
6166609 Oscillator circuit supplied with optimal power voltage according to oscillator output Shinji Nakamiya, Yoshiki Makiuchi 2000-12-26
6147564 Oscillation circuit having electrostatic protective circuit Shinji Nakamiya, Hiroshi Yabe, Yoshiki Makiuchi 2000-11-14
6097257 Crystal oscillator circuit having transistor with back gate voltage control Yoshiki Makiuchi, Shinji Nakamiya 2000-08-01
6046648 Crystal oscillator circuit having low power consumption Shinji Nakamiya, Hiroshi Yabe, Yoshiki Makiuchi 2000-04-04
5929715 Oscillation circuit having electrostatic protective circuit Shinji Nakamiya, Hiroshi Yabe, Yoshiki Makiuchi 1999-07-27