Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248143 | Composition for polishing glass and polishing method | Tomoyuki Masuda, Hiroshi Mizukami, Yutaka Yamauchi | 2001-06-19 |
| 5045235 | Transparent conductive film | Hirozumi Izawa | 1991-09-03 |