Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700307 | Die for press-molding optical elements | Yoshinari Kashiwagi, Makoto Umetani, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura | 1997-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700307 | Die for press-molding optical elements | Yoshinari Kashiwagi, Makoto Umetani, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura | 1997-12-23 |