Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731637 | Semiconductor device | Shizue Hori, Akihiko Osawa, Yoshiro Baba | 1998-03-24 |
| 5130261 | Method of rendering the impurity concentration of a semiconductor wafer uniform | Yoshikazu Usuki, Jun Okano, Shigeru MORIYAMA, Shun-ichi Hiraki | 1992-07-14 |
| 5015593 | Method of manufacturing semiconductor device | Kazuhisa Shibao, Shun-ichi Hiraki | 1991-05-14 |
| 4451303 | Diffusion of aluminum | Shunichi Hiraki, Kiyoshi Kikuchi, Masafumi Miyagawa | 1984-05-29 |