Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274645 | Circuit and method for a kickback-limited soft shutdown of a coil | — | 2022-03-15 |
| 11128110 | Methods and apparatus for an ignition system | Yasunori Yamamoto, Yoshitaka Matsumoto | 2021-09-21 |
| 10968878 | Circuit and method for coil current control | — | 2021-04-06 |
| 10968880 | Kickback-limited soft-shutdown circuit for a coil | — | 2021-04-06 |
| 10648442 | Circuit and method for coil current control | — | 2020-05-12 |
| 9698574 | Method of forming an igniter circuit and structure therefor | Yasunori Yamamoto | 2017-07-04 |
| 9525273 | Method of forming an igniter circuit and structure therefor | Yasunori Yamamoto | 2016-12-20 |
| 7145818 | Semiconductor integrated circuit device having test circuit | Tetsuya Fukuoka | 2006-12-05 |
| 6287124 | Musical performance practicing device and method | Atsushi Yamaura | 2001-09-11 |
| 5497263 | Variable delay circuit and clock signal supply unit using the same | Noboru Masuda, Kazumichi Yamamoto, Kazunori Nakajima, Toshihiro Okabe, Akira Yamagiwa +3 more | 1996-03-05 |
| 5479745 | Floor panel support leg and double floor | Yoshinari Kawai, Fumihiro Oyama | 1996-01-02 |
| 5387809 | Semiconductor integrated circuit device capable of outputting a plurality of interface levels | Kazuo Koide, Tetsuo Nakano | 1995-02-07 |
| 5365091 | Semiconductor integrated circuit device | — | 1994-11-15 |
| 5038056 | Output circuit | Kazuo Koide, Kazutaka Mori | 1991-08-06 |
| 4990872 | Variable reactance circuit producing negative to positive varying reactance | Kazuhisa Ishiguro | 1991-02-05 |
| 4977615 | Diversity receiver | Hirohisa Suzuki, Akira Kabashima, Ryuichi Ogawa | 1990-12-11 |
| 4972482 | Fm stereo demodulator | Kazuhisa Ishiguro | 1990-11-20 |
| 4944010 | Stereo demodulator and a demodulating method thereof | Kazuhisa Ishiguro | 1990-07-24 |