Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334051 | Direct conversion receiver with wide band analog frequency conversion front end and digital demodulating and selecting back end | Hiroshi Yoshida | 2001-12-25 |
| 6094725 | Magnetic disk apparatus | Yutaka Hiyoshi, Hiroyuki Tanaka, Takao Hakamatani, Masayuki Korikawa, Tetsuro Kudo +1 more | 2000-07-25 |
| 5915122 | Activation of a magnetic disk apparatus | — | 1999-06-22 |
| 5903404 | High density disk unit and disk medium | Shuichi Hashimoto | 1999-05-11 |
| 5867777 | Variable-gain amplifier circuit, offset control method in variable-gain amplifier circuit, radio receiver with variable-gain amplifier circuit, and radio receiving method in radio receiver with variable-gain amplifier | Takafumi Yamaji, Tetsuro Itakura | 1999-02-02 |
| 5675816 | Magnetic disk subsystem with failsafe battery charging and power shut down | Yutaka Hiyoshi, Hiroyuki Tanaka, Takao Hakamatani, Masayuki Korikawa, Tetsuro Kudo +1 more | 1997-10-07 |
| 5650882 | Disk unit performing control using sector pulses | Gen Ohshima, Masafumi Sato, Masataka Shitara | 1997-07-22 |
| 5373533 | FSK signal receiving device | Mikio Hayashihara, Hiroshi Tanimoto | 1994-12-13 |
| 5070420 | Magnetic disk drive | Tohru Shinohara | 1991-12-03 |
| 5058191 | Motor rotation speed control circuit | — | 1991-10-15 |
| 4568444 | Chemical substance measuring apparatus | Michihiro Nakamura, Makoto Yano, Hidehiko Ikeya, Osamu Kusudo, Yoshito Hamamoto | 1986-02-04 |