Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6535425 | Nonvolatile semiconductor memory device | Masaru Nawaki, Makoto Ihara | 2003-03-18 |
| 6348723 | Semiconductor device with a dummy wire positioned to prevent charging/discharging of the parasitic capacitance of a signal wire | — | 2002-02-19 |
| 6088279 | Semiconductor memory device with dummy word line | — | 2000-07-11 |
| 5453709 | Constant CMOS delay circuit | Junichi Tanimoto | 1995-09-26 |
| 5408172 | Step-down circuit for power supply voltage capable of making a quick response to an increase in load current | Junichi Tanimoto | 1995-04-18 |
| 5138500 | Magnetic tape recording/reproducing device for recording digital acoustic and video signals | Yukihiko Haikawa | 1992-08-11 |
| 5099375 | Four read and write heads on a drum arranged to prevent overlapping of tracing periods | Yukihiko Haikawa | 1992-03-24 |
| 5051848 | Method and apparatus for reproducing magnetic tape using rotary drum heads | Kengo Sudoh | 1991-09-24 |