Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156592 | Method of manufacturing a semiconductor device containing CMOS elements | Kazuo Tanaka | 2000-12-05 |
| 5879979 | Method of manufacturing a semiconductor device containing CMOS elements | Kazuo Tanaka | 1999-03-09 |
| 5654209 | Method of making N-type semiconductor region by implantation | — | 1997-08-05 |
| 5641983 | Semiconductor device having a gate electrode having a low dopant concentration | Kazuo Tanaka | 1997-06-24 |
| 5312772 | Method of manufacturing interconnect metallization comprising metal nitride and silicide | Kenji Yokoyama, Masashi Ogita | 1994-05-17 |
| 5298860 | Method of analyzing metal impurities in surface oxide film of semiconductor substrate | — | 1994-03-29 |
| 5229334 | Method of forming a gate insulating film involving a step of cleaning using an ammonia-peroxide solution | — | 1993-07-20 |
| 4998157 | Ohmic contact to silicon substrate | Kenji Yokoyama, Masashi Ogita | 1991-03-05 |
| 4833098 | Polycrystalline semiconductor deposition in groove for device insolation | — | 1989-05-23 |
| 4800417 | Improved semiconductor device having a polycrystalline isolation region | — | 1989-01-24 |
| 4669176 | Method for diffusing a semiconductor substrate through a metal silicide layer by rapid heating | — | 1987-06-02 |