Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238405 | Insulating material containing cycloolefin polymer | Yasuo Tsunogae, Yasuhiro Wakizaka, Junji Kodemura | 2007-07-03 |
| 6713154 | Insulating material containing cycloolefin polymer | Yasuo Tsunogae, Yasuhiro Wakizaka, Junji Kodemura | 2004-03-30 |
| 5725960 | Molded articles having hard coat layer and method for producing same | Yuichiro Konishi, Mitsushi Tada, Tadao Natsuume, Nobukazu Takahashi, Teiji Kohara | 1998-03-10 |
| 5561208 | Medical implement, polymer composition, and optical material | Nobukazu Takahashi, Koji Minami, Yuichiro Konishi, Teiji Kohara, Tadao Natsuume | 1996-10-01 |
| 5468803 | Medical implement, polymer composition, and optical material | Nobukazu Takahashi, Koji Minami, Yuichiro Konishi, Teiji Kohara, Tadao Natsuume | 1995-11-21 |
| 5462995 | Hydrogenated products of thermoplastic norbornene polymers, their production, substrates for optical elements obtained by molding them, optical elements and lenses | Hideharu Mizuno, Yuji Koushima, Teiji Kohara, Tadao Natsuume | 1995-10-31 |
| 5061771 | Ring-opened polymer from norbornene type of polycyclic monomer and process for producing the polymer | Masayoshi Oshima, Teiji Kohara, Tadao Natsuume | 1991-10-29 |