Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8272235 | Method for producing alkali-free glass | Mineko Yamamoto, Yasuo Hayashi, Tomoyuki Tsujimura | 2012-09-25 |
| 5599754 | Glass composition for a substrate, and substrate for plasma display made thereof | Kei Maeda, Yasumasa Nakao, Setsuro Ito | 1997-02-04 |
| 5348916 | Alkali free glass | Manabu Nishizawa, Yasumasa Nakao | 1994-09-20 |
| 5244847 | Alkali free glass | Manabu Nishizawa, Yasumasa Nakao | 1993-09-14 |