Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8373397 | DC-DC converter and semiconductor integrated circuit | Ryo Tanifuji | 2013-02-12 |
| 6811087 | Barcode scanner | Norio Nakamura, Takaaki Shimizu, Yutaka Ichinohe | 2004-11-02 |
| 6344778 | Voltage-controlled oscillator, phase synchronization circuit and signal processing circuit | Norio Nakamura, Katsuyuki Omi, Toshio Shiramatsu, Masaru Hashimoto | 2002-02-05 |
| 6084470 | Filter circuit capable of setting various filter characteristics | Toshio Shiramatsu, Norio Nakamura | 2000-07-04 |
| 6060887 | Method of detecting abnormality in magnetic head, circuit therefor, and magnetic disk apparatus | Norio Nakamura | 2000-05-09 |
| 5712739 | Magnetic disk drive system with a composite head unit including a magnetoresistive read only head and an inductive write only head | Norio Nakamura, Yusuke Ohinata, Junichi Akiyama | 1998-01-27 |