Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858897 | Glass composition for a substrate | Hitoshi Onoda, Yasumasa Nakao, Jeetendra Sehgal | 1999-01-12 |
| 5599754 | Glass composition for a substrate, and substrate for plasma display made thereof | Yasumasa Nakao, Hideki Kushitani, Setsuro Ito | 1997-02-04 |
| 4985375 | Glass-ceramic article and method for its production | Chikao Tanaka, Setsuro Ito, Yasumasa Nakao | 1991-01-15 |