Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175414 | Method and apparatus for repairing glass-lined equipment by sol-gel process | Tatsuo Hara, Koichi Wada | 1992-12-29 |
| 5143275 | Method for repairing a glass layer of glass-lined equipment | Tatsuo Hara, Akihiko Hogetsu | 1992-09-01 |
| 5053251 | Method for repairing glass-lined equipment by sol-gel process | Tatsuo Hara, Koichi Wada | 1991-10-01 |