Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123726 | Portable drive system for artificial heart | Toshio Mori, Kenji Yamazaki, Koji Higuchi | 2000-09-26 |
| 6023258 | Flat display | Hirohito Kuriyama, Toshio Ueda, Akira Yamamoto | 2000-02-08 |
| 6009073 | Method for transmitting an orthogonal frequency division multiplex signal, apparatus for transmitting the signal and apparatus for receiving the signal | — | 1999-12-28 |
| 5956014 | Brightness control and power control of display device | Hirohito Kuriyama, Rikurou Tanahashi, Akira Yamamoto, Shigeki Kameyama, Masaya Tajima +2 more | 1999-09-21 |
| 5822323 | Frequency division multiplexed signal generating apparatus and related decoding apparatus | Katsumi Ohno | 1998-10-13 |
| 5621623 | DC-DC converter using flyback voltage | Hirohito Kuriyama, Shigeki Kameyama, Rikurou Tanahashi, Akira Yamamoto | 1997-04-15 |
| 5457583 | Disc recorder for recording information | — | 1995-10-10 |
| 5087997 | Position control system for read/write device | Yutaka Osada | 1992-02-11 |
| 4780771 | High density signal recording and reproducing apparatus | Ken Miyazaki | 1988-10-25 |
| 4731680 | Disk drive with stored positioning data related to disk expansion | Masakatsu Moriyama | 1988-03-15 |
| 4549282 | Magnetic bubble memory system | Sakan Takai, Takenori Iida | 1985-10-22 |