Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698345 | Photosensitive recording material, photosensitive recording medium, and process for producing hologram using this photosensitive recording medium | Yasushi Ohe, Hiromitsu Ito, Yasumasa Toba, Miki Shikano | 1997-12-16 |
| 5631307 | Photopolymerization initiator composition and photopolymerizable composition | Yasuhiro Tanaka, Yasumasa Toba, Tadashi Tanoue, Kaoru Nakajima | 1997-05-20 |
| 5500453 | (Oxo)sulfonium complex, polymerizable composition containing the complex, and method of polymerizing the composition | Yasumasa Toba, Yamaguchi Takeo | 1996-03-19 |