Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9684323 | Regulator circuit that suppresses an overshoot of output voltage | — | 2017-06-20 |
| 8829835 | Controller of a motor and method of controlling the same | — | 2014-09-09 |
| 8680867 | Battery monitoring circuit and battery monitoring system | — | 2014-03-25 |
| 8643352 | Switching power supply control with reduced harmonic frequency fluctuations | — | 2014-02-04 |
| 8253468 | Clock generating circuit | — | 2012-08-28 |
| 8013671 | Semiconductor integrated circuit | Akira Kumamoto, Tsuyoshi Nishimura, Masahiro Tamae | 2011-09-06 |
| 6486695 | Protecting unit | — | 2002-11-26 |
| 6181365 | RF output device for CATV | — | 2001-01-30 |
| 5532644 | Variable gain amplifying circuit | — | 1996-07-02 |
| 5293514 | Integrating filter circuit | — | 1994-03-08 |
| 5223743 | Adaptive current generating transconductance circuit | — | 1993-06-29 |
| 5126831 | Clamping circuit | — | 1992-06-30 |
| 5111154 | Analog filter | — | 1992-05-05 |
| 4942369 | Controlled current producing differential circuit apparatus | Akihiro Murayama, Shigeru Nakamura | 1990-07-17 |
| 4709408 | Phased lock loop synchronous detecting system with an automatic frequency tuning circuit | Tetsuro Itakura, Yoshitaka Kasagi, Mikio Koyama | 1987-11-24 |