Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4378260 | Process for producing a semiconductor device | Takeshi Fukuda | 1983-03-29 |
| 4290188 | Process for producing bipolar semiconductor device utilizing predeposition of dopant and a polycrystalline silicon-gold film followed by simultaneous diffusion | Takeshi Fukuda, Naoaki Kobayashi | 1981-09-22 |