Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534821 | Charge pump circuits for PLL frequency synthesizer | Takehiro Akiyama, Katsuya Shimomura, Takehito Doi | 1996-07-09 |
| 5287019 | ECL to CMOS level conversion circuit | Kazuyuki Nonaka, Shinji Saito, Tetsuya Aisaka, Takehiro Akiyama | 1994-02-15 |
| 5047733 | PLL synthesizer providing rapid frequency changeover | Kazuyuki Nonaka, Takehiro Akiyama | 1991-09-10 |