Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648949 | Method and apparatus for information reproduction at variable reference level | Harukazu Miyamoto, Hisataka Sugiyama | 1997-07-15 |
| 5614938 | Three-dimensional recording and reproducing apparatus | Hisataka Sugiyama, Takeshi Maeda, Motoyasu Terao, Shigenori Okamine, Tetsuya Nishida +1 more | 1997-03-25 |
| 5605609 | Method for forming low refractive index film comprising silicon dioxide | Eiichi Ando, Akira Mitsui, Junichi Ebisawa, Koichi Suzuki, Takuji Oyama | 1997-02-25 |