Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869948 | Glass board for copying machines and method of producing same | Yasunobu Iida, Koichi Furuya | 1989-09-26 |
| 4521454 | Method of producing heat-reflecting glass plate by coating with titanium oxide film | Takayoshi Kandachi, Seiki Okino, Katsuto Tanaka | 1985-06-04 |
| 4323598 | Method of coating glass surface with heat-reflecting metal oxide film | Seiki Okino, Katsuto Tanaka | 1982-04-06 |