Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322958 | Silicone hydrogel contact lenses | Arthur Back, Junichi Iwata, Seiichiro Ikawa | 2016-04-26 |
| 8637621 | Long-wearable soft contact lens | Junichi Iwata, Seiichirou Ikawa | 2014-01-28 |
| 8614261 | Silicone hydrogel contact lens | Junichi Iwata, Seiichirou Ikawa, Arthur Back | 2013-12-24 |
| 6867245 | Long wearable soft contact lens | Junichi Iwata, Seiichirou Ikawa | 2005-03-15 |
| 4652590 | Blended polyethylene-polystyrene compositions suitable for preparation of closed cell foam products | Nobuo Miura | 1987-03-24 |
| 4629745 | Expandable polyetherimide compositions and foamed materials obtained therefrom | Yutaka Matsuki | 1986-12-16 |
| 4369257 | Foaming synthetic resin compositions stabilized with certain naphthyl amine compounds | Minoru Hisamatsu | 1983-01-18 |
| 4359539 | Foaming synthetic resin compositions stabilized with certain higher ethers, esters or anhydrides | Yutaka Matsuki | 1982-11-16 |
| 4345041 | Foaming synthetic resin compositions stabilized with N-(higher alkyl) C.sub. -C.sub.8 amides | Yutaka Matsuki | 1982-08-17 |
| 4343911 | Foamed thermoplastic resin articles and foamable compositions and foaming processes for the preparation thereof | Yutaka Matsuki | 1982-08-10 |
| 4331777 | Foaming synthetic resin compositions stabilized with certain naphthyl amine compounds | Minoru Hisamatsu | 1982-05-25 |
| 4327193 | Foaming synthetic resin compositions stabilized with certain higher ethers, esters or anhydrides | Yutaka Matsuki | 1982-04-27 |
| 4289857 | Foamable polymeric compositions | Nobuo Miura, Hiroshi Watanabe | 1981-09-15 |