Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9708211 | Alkali-free glass substrate and method for producing same | Akio Koike, Masaya Kunigita | 2017-07-18 |
| 9663395 | Alkali-free glass and alkali-free glass plate using same | Manabu Nishizawa, Akio Koike | 2017-05-30 |
| 9540273 | Non-alkali glass and method for producing same | Tomoyuki Tsujimura, Manabu Nishizawa, Akio Koike | 2017-01-10 |