Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874718 | Method for forming SOI film | — | 1989-10-17 |
| 4870647 | Digital signal demodulator | Kazuo Hikawa | 1989-09-26 |
| 4870031 | Method of manufacturing a semiconductor device | Kazuyuki Sugahara, Tadashi Nishimura, Shigeru Kusunoki | 1989-09-26 |
| 4861418 | Method of manufacturing semiconductor crystalline layer | Tadashi Nishimura, Kazuyuki Sugahara, Shigeru Kusunoki | 1989-08-29 |
| 4835629 | Code error correcting circuit | Shoji Ueno, Yasuhiro Yamada | 1989-05-30 |
| 4822752 | Process for producing single crystal semiconductor layer and semiconductor device produced by said process | Kazuyuki Sugahara, Tadashi Nishimura, Shigeru Kusunoki | 1989-04-18 |
| 4822751 | Method of producing a thin film semiconductor device | Akira Ishizu, Tadashi Nishimura | 1989-04-18 |
| 4812036 | Stress evaluation apparatus | — | 1989-03-14 |
| 4811128 | Digital signal recording and reproducing apparatus having rotary magnetic heads | Tsuyoshi Ono, Yasuhiro Yamada, Kazuo Hikawa, Atsushi Hayami, Fumiaki Ono | 1989-03-07 |
| 4809275 | Parity signal generating circuit | Yasuhiro Yamada | 1989-02-28 |
| 4802760 | Raman microprobe apparatus for determining crystal orientation | Takeshi Ikeda | 1989-02-07 |