Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379777 | Die and production method thereof, glass substrate and production method thereof and method of forming pattern on the glass substrate | Takashi Ota, Masashi Fukuyama | 2002-04-30 |
| 6354111 | Press-forming die for glass elements | Takashi Ota, Masashi Fukuyama, Hitoshi Hasegawa | 2002-03-12 |