Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059834 | Automatic gain control circuit | Nobuaki Tsuji, Hirotaka Kawai | 2011-11-15 |
| 7990211 | Class D amplifier circuit | Hirotaka Kawai, Nobuaki Tsuji | 2011-08-02 |
| 7924089 | Offset voltage correction circuit and class D amplifier | Nobuaki Tsuji, Hirotaka Kawai | 2011-04-12 |
| 7912112 | Spectrum spreading circuit | Hirotaka Kawai, Nobuaki Tsuji | 2011-03-22 |
| 7830182 | Comparator | Masaya Suzuki, Nobuaki Tsuji, Hirotaka Kawai | 2010-11-09 |
| 7816992 | Offset voltage correction circuit and class D amplifier | Nobuaki Tsuji, Hirotaka Kawai | 2010-10-19 |
| 6937091 | Class D amplifier | Masao Noro | 2005-08-30 |
| 6859096 | Class D amplifier | Masao Noro | 2005-02-22 |
| 6317365 | Semiconductor memory cell | — | 2001-11-13 |
| 6307788 | Semiconductor memory cell having read/write circuit capable of performing random access | — | 2001-10-23 |