Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362629 | Method for processing solution including heavy metal | Tohru Kasanami, Takuji Nakagawa | 1982-12-07 |
| 4328048 | Method of forming copper conductor | Tohru Kasanami, Takuji Nakagawa | 1982-05-04 |