Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189952 | Process for producing window glass with thin film thereon | Hisakazu Tsuchiya, Masahiro Miwa | 1993-03-02 |
| 5137560 | Process for manufacturing glass with functional coating | Hisakazu Tsuchiya, Akira Hirano | 1992-08-11 |