Issued Patents All Time
Showing 101–118 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324771 | Polypropylene resin compositions, coating process for moldings thereof and its coated moldings | Keigo Suehiro, Katsuyuki Nitta, Katsumi Sekiguchi, Takeaki Inokuma, Chihiro Ogawa +2 more | 1994-06-28 |
| 5225692 | Non-linear quantum semiconductor optical device having a signal-to-noise ratio | Hideaki Ishikawa, Shunichi Muto | 1993-07-06 |
| 5175739 | Semiconductor optical device having a non-linear operational characteristic | Shunichi Muto | 1992-12-29 |
| 5151589 | Optical system using spin-dependent optical nonlinearity | — | 1992-09-29 |
| 4965768 | Semiconductor device having programmable read only memory cells for specific mode | — | 1990-10-23 |
| 4929984 | Resonant tunnelling barrier structure device | Shunichi Muto, Tsuguo Inata, Yoshihiro Sugiyama | 1990-05-29 |
| 4862416 | Semiconductor memory device with redundant memory cell | — | 1989-08-29 |
| 4812680 | High voltage detecting circuit | Hiromi Kawashima | 1989-03-14 |
| 4800304 | Time delay circuit for a semiconductor device | — | 1989-01-24 |
| 4758748 | Sense amplifier for programmable read only memory | — | 1988-07-19 |
| 4743841 | Semiconductor integrated circuit including circuit elements evaluating the same and having means for testing the circuit elements | — | 1988-05-10 |
| 4737936 | Semiconductor memory device having improved write-verify operation | — | 1988-04-12 |
| 4717835 | Semiconductor integrated circuit with detection circuit for address signal change | — | 1988-01-05 |
| 4481609 | Semiconductor memory miniaturized by line groups and staggered cells | Mitsuo Higuchi | 1984-11-06 |
| 4437180 | Apparatus for controlling pickup arm in record or video disk player | — | 1984-03-13 |
| 4339813 | Apparatus for detecting groove end of record disk | Norio Tomisawa, Nobuyuki Tamori | 1982-07-13 |
| 4325016 | Device for controlling pickup arm movement in linear tracking pickup arm apparatus | — | 1982-04-13 |
| 4202549 | Device for manually controlling movement of pickup arm in automatic record player | — | 1980-05-13 |