Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988807 | Optical member, method of producing optical member, and apparatus for transmitting optical information | Soichiro Ahiko, Daisuke Tanaka | 2024-05-21 |
| 5955206 | Polysulfide-based resin composition, polysulfide-based resin, and optical material comprising the resin | Koju Okazaki, Chitoshi Shimakawa, Mamoru Tanaka, Yoshinobu Kanemura, Teruyuki Nagata +1 more | 1999-09-21 |
| 5736609 | Sulfur-containing urethane-based resin composition, its resin, and optical element and lens comprising resin | Yoshihiro Irizato, Yoshinobu Kanemura, Teruyuki Nagata | 1998-04-07 |
| 5594149 | Process for producing 1,3-dialkyl-2-imidazolidinone | Hiroshi Naruse, Hideki Mizuta, Teruyuki Nagata | 1997-01-14 |
| 5583256 | Process for producing 1,3-dialkyl-2-imidazolidinone | Hiroshi Naruse, Hideki Mizuta, Teruyuki Nagata | 1996-12-10 |
| 5514793 | 1,3,6-trialkylhexahydro-1,3,6-triazocine-2-on and preparation process thereof | Hiroshi Naruse, Hideki Mizuta, Teruyuki Nagata | 1996-05-07 |