Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053172 | Method of cleaning semiconductor molding apparatus | Minoru Tanaka, Kenichiro Sakamoto | 1991-10-01 |
| 4983115 | Molding apparatus for sealing semiconductor devices including a mold cleaning device | Minoru Tanaka, Kenichiro Sakamoto | 1991-01-08 |
| 4885837 | Apparatus for forming leads of semiconductor devices | Taizo Eshima, Kunihiro Yasutake | 1989-12-12 |