Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354986 | Ion implantation apparatus | Satoshi Yamada, Shigeru Shiratake | 1994-10-11 |
| 5293508 | Ion implanter and controlling method therefor | Shigeru Shiratake | 1994-03-08 |
HY
Hirohisa Yamamoto
Overall (1994): #31,519 of 165,921Top 20%
2
Patents 1994