Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5920231 | Negative differential resistance amplifier | — | 1999-07-06 |
| 5883672 | Apparatus and method for adaptively encoding pictures in accordance with information quantity of respective pictures and inter-picture correlation | Kazuhiro Suzuki, Satoshi Mitsuhashi | 1999-03-16 |
| 5832121 | Method and apparatus for video data compression | — | 1998-11-03 |
| 5757968 | Method and apparatus for video data compression | — | 1998-05-26 |
| 5751358 | Video encoder with quantization controlled by inter-picture correlation | Kazuhiro Suzuki, Satoshi Mitsuhashi | 1998-05-12 |
| 5705825 | Resonant tunneling bipolar transistor | — | 1998-01-06 |
| 5621228 | Heterojunction field effect transistor with non-alloy ohmic contact electrodes | — | 1997-04-15 |
| 5548139 | Schottky gate field effect transistor | — | 1996-08-20 |
| 5543748 | Flip-flop circuit with resonant tunneling diode | — | 1996-08-06 |
| 5412232 | Semiconductor device having an improved electron transport property at a high electric field | — | 1995-05-02 |
| 5373168 | Two-dimensional electron gas field effect transistor including an improved InGaAs channel layer | Kazuhiko Onda, Masaaki Kuzuhara | 1994-12-13 |
| 5371387 | Field effect transistors | — | 1994-12-06 |
| 5285081 | Field effect transistor having quasi one-dimensional electron gas confined under electron resonance | — | 1994-02-08 |
| 5192986 | Heterojunction field effect transistor equipped with electrostatic lens for improving ballistic propagation | — | 1993-03-09 |
| 5138408 | Resonant tunneling hot carrier transistor | — | 1992-08-11 |
| 5130690 | Photoconductor | Tomohiro Itoh | 1992-07-14 |
| 5105241 | Field effect transistor | — | 1992-04-14 |
| 4982356 | Multiple-valued current mode adder implemented by transistor having negative transconductance | — | 1991-01-01 |
| 4926232 | Resonant-tunneling bipolar transistor | Hideo Toyoshima | 1990-05-15 |
| 4907045 | Resonant-tunneling functional device using multiple negative differential resistances | — | 1990-03-06 |