Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731101 | Modulation semiconductor integrated circuit device and testing method for oscillation circuit | Hirokazu Miyagawa, Katsumi Yamamoto, Masaru Kokubo | 2004-05-04 |
| 6677788 | Semiconductor integrated circuit | Hirokazu Miyagawa, Katsumi Yamamoto, Katsumi Osaki | 2004-01-13 |
| 5963064 | Linear transfer voltage to current circuit | Kenji Toyota, Kenichi Hase | 1999-10-05 |
| 5684486 | Flash A/D converter | Koichi Ono, Masumi Kasahara, Eiki Imaizumi, Hisashi Okazawa | 1997-11-04 |
| 5534800 | Sense amplifier, SRAM, and microprocessor | Mitsuru Hiraki, Yasuhiko Sasaki, Koichi Seki | 1996-07-09 |
| 5394148 | AD converter | Imaizumi Eiki, Kunihiko Usui, Takanobu Anbo | 1995-02-28 |
| 5274377 | Pipelined A/D converter | Eiki Imaizumi, Kunihiko Usui | 1993-12-28 |
| 5194866 | Half-flash analog-to-digital converter using differential comparators and crossover switching | Eiki Imaizumi, Kunihiko Usui | 1993-03-16 |
| 5113090 | Voltage comparator | Eiki Imaizumi, Kunihiko Usui, Toshiro Tsukada, Seiichi Ueda, Hiroshi Sato | 1992-05-12 |
| 4825287 | Digital video signal processor | Toru Baji, Toshiro Tsukada, Shinya Ohba | 1989-04-25 |
| 4745393 | Analog-to-digital converter | Toshiro Tsukada, Seiichi Ueda, Yuichi Nakatani, Eiki Imaizumi | 1988-05-17 |