Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886616 | Aluminum surface cleaning agent | Kiyotado Yasuhara, Satoshi Ikeda | 1989-12-12 |
| 4851148 | Method of controlling an aluminum surface cleaning composition | Satoshi Ikeda, Kiyotada Yasuhara | 1989-07-25 |
| 4828616 | Surface treatment chemical for forming a hydrophilic coating | — | 1989-05-09 |