Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7695638 | Regeneration process of alkaline permanganate etching solution and unit therefor | Norikazu Nakamura, Masao Nakazawa, Kenji Miyazawa, Manabu Saito | 2010-04-13 |
| 5169478 | Apparatus for manufacturing semiconductor devices | Kojiro Sugane, Noritsugu Yamada | 1992-12-08 |
| 4513026 | Method for coating a semiconductor device with a phosphosilicate glass | Yoshimi Shioya, Mamoru Maeda, Mikio Takagi | 1985-04-23 |
| 4210473 | Process for producing a semiconductor device | Mikio Takagi, Hajime Kamioka, Haruo Shimoda | 1980-07-01 |