Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9990017 | Electronic device and method of initializing controller of electronic device | Takashi Kawaguchi | 2018-06-05 |
| 7944778 | Motor drive control circuit, semiconductor device, electronic timepiece, and electronic timepiece with a power generating device | — | 2011-05-17 |
| 7660975 | Electronic apparatus and control method thereof | Hidenori Nakamura | 2010-02-09 |
| 7638975 | Power supply control circuit, electronic apparatus, semiconductor device, control method for power supply control circuit, and control method for electronic apparatus | Hidenori Nakamura | 2009-12-29 |
| RE39329 | Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same | Hiroshi Yabe, Tadao Kadowaki, Yoshiki Makiuchi | 2006-10-10 |
| 6933797 | Oscillation circuit, electronic apparatus, and timepiece using a potential stabilization circuit with resistive terminations | Fumiaki Miyahara, Kunio Koike, Takashi Kawaguchi | 2005-08-23 |
| 6898156 | Electronic timepiece with checking function and its checking method | Katsuyoshi Takahashi | 2005-05-24 |
| 6686792 | Electronic circuit, semiconductor device, electronic equipment, and timepiece | Tadao Kadowaki, Yoshiki Makiuchi | 2004-02-03 |
| 6630852 | Power-generation detection circuit for use in an electronic device and power-generation detection method and power consumption control method for use in connection therewith | Teruhiko Fujisawa, Yoshitaka Iijima, Kenji Iida | 2003-10-07 |
| 6593823 | Oscillation circuit and electronic circuit, and semiconductor device, timepiece and electronic equipment provided with the same | Hiroshi Yabe, Tadao Kadowaki, Yoshiki Makiuchi | 2003-07-15 |
| 6563766 | Voltage detecting device, battery remaining voltage detecting device, voltage detecting method, battery remaining voltage detecting method, electronic timepiece and electronic device | — | 2003-05-13 |
| 6522603 | Charging device for electronic timepiece, electronic timepiece, and method for controlling charging device | Fumiaki Miyahara, Yoshitaka Iijima | 2003-02-18 |
| 6476580 | Electronic apparatus and control method for electronic apparatus | Teruhiko Fujisawa, Yoshitaka Iijima, Kenji Iida | 2002-11-05 |
| 6476579 | Pulse motor driving device, pulse motor driving method, timepiece device, and timepiece device control method | Hidehiro Akahane, Yoshitaka Iijima, Kenji Iida, Tsuneaki Furukawa | 2002-11-05 |
| 6463010 | Electronic timepiece and method for controlling the same | Teruhiko Fujisawa, Sho Matsuzaki | 2002-10-08 |
| 6452358 | Electronic apparatus and control method for electronic apparatus | Yoshitaka Iijima, Kenji Iida | 2002-09-17 |
| 6411169 | Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same | Hiroshi Yabe, Tadao Kadowaki, Yoshiki Makiuchi | 2002-06-25 |
| 6288600 | Electronic circuit, semiconductor device, electronic equipment, and timepiece | Tadao Kadowaki, Yoshiki Makiuchi | 2001-09-11 |
| 6166609 | Oscillator circuit supplied with optimal power voltage according to oscillator output | Tadao Kadowaki, Yoshiki Makiuchi | 2000-12-26 |
| 6147564 | Oscillation circuit having electrostatic protective circuit | Hiroshi Yabe, Tadao Kadowaki, Yoshiki Makiuchi | 2000-11-14 |
| 6097257 | Crystal oscillator circuit having transistor with back gate voltage control | Tadao Kadowaki, Yoshiki Makiuchi | 2000-08-01 |
| 6046648 | Crystal oscillator circuit having low power consumption | Hiroshi Yabe, Tadao Kadowaki, Yoshiki Makiuchi | 2000-04-04 |
| 5929715 | Oscillation circuit having electrostatic protective circuit | Hiroshi Yabe, Tadao Kadowaki, Yoshiki Makiuchi | 1999-07-27 |