Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8174319 | Amplifier | Hirofumi Watanabe | 2012-05-08 |
| 7956672 | Reference voltage generating circuit | — | 2011-06-07 |
| 7843253 | Reference voltage generating circuit and constant voltage circuit | Hirofumi Watanabe | 2010-11-30 |
| 7795856 | Reference voltage generator and voltage regulator incorporating same | — | 2010-09-14 |
| 7592861 | Reference voltage generation circuit, and constant voltage circuit using the reference voltage generation circuit | — | 2009-09-22 |
| 7426146 | Reference voltage generating circuit and constant voltage circuit | Hirofumi Watanabe | 2008-09-16 |
| 7215184 | Reference-voltage generating circuit | — | 2007-05-08 |
| 7208931 | Constant current generating circuit using resistor formed of metal thin film | — | 2007-04-24 |
| 7033072 | Temperature sensor | Hirofumi Watanabe | 2006-04-25 |
| 7026863 | Reference-voltage generating circuit | — | 2006-04-11 |
| 6921199 | Temperature sensor | Hirofumi Watanabe | 2005-07-26 |
| 6316915 | Charge/discharge protection circuit and battery pack having the charge/discharge protection circuit | Akihiko Fujiwara | 2001-11-13 |
| 6266762 | Information processing apparatus | Keiichi Yoshioka | 2001-07-24 |
| 5896515 | Information processing apparatus | Keiichi Yoshioka | 1999-04-20 |
| 5495444 | Semiconductor memory device used as a digital buffer and reading and writing method thereof | Hiizu Okubo | 1996-02-27 |
| 5291453 | Serial memory apparatus having units for presetting reading bit lines to a given voltage | Hiizu Okubo | 1994-03-01 |
| 5285069 | Array of field effect transistors of different threshold voltages in same semiconductor integrated circuit | Mitsuo Kaibara, Hiizu Okubo, Takako Maruyama, Seiji Yamanaka | 1994-02-08 |