Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9718723 | Glass article | Kazuo Tachiwana, Teruo Yamashita | 2017-08-01 |
| 9663402 | Method for manufacturing optical element | Kazuo Tachiwana, Teruo Yamashita, Shigeru Hayashi | 2017-05-30 |