Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6288165 | Resin composition comprising a saponified product of vinyl acetate polymer | Kaoru Ikeda, Akimasa Aoyama, Takaharu Kawahara, Yukihiro Ohara, Naoshi Nakagawa +1 more | 2001-09-11 |
| 5744547 | Processes for producing vinyl acetate polymer and saponified product of vinyl acetate polymer and resin composition | Kaoru Ikeda, Akimasa Aoyama, Takaharu Kawahara, Yukihiro Ohara, Naoshi Nakagawa +1 more | 1998-04-28 |
| 5352750 | Process for producing ethylene-vinyl ester copolymers, ethylene-vinyl alcohol copolymers, and process for producing shaped articles therefrom | Hisamichi Yanai, Takanori Kitamura, Fumio Nakahara, Katsumi Shimizu, Akimasa Aoyama | 1994-10-04 |
| 5342662 | Multilayered container | Akimasa Aoyama, Tetsuya Katayama, Junnosuke Yamauchi, Satoshi Hirofuji | 1994-08-30 |
| 5302417 | Aqueous dispersion and substrate coated with the same | Junnosuke Yamauchi, Akimasa Aoyama, Toshio Tsuboi, Satoshi Hirofuji | 1994-04-12 |
| 5272200 | Aqueous dispersion and substrate coated with the same | Junnosuke Yamauchi, Akimasa Aoyama, Toshio Tsuboi, Satoshi Hirofuji | 1993-12-21 |
| 5240997 | Process for producing ethylene-vinyl alcohol copolymers | Hisamichi Yanai, Takanori Kitamura, Fumio Nakahara, Katsumi Shimizu, Akimasa Aoyama | 1993-08-31 |
| 5194474 | Composition | Akimasa Aoyama, Tetsuya Katayama, Junnosuke Yamauchi, Satoshi Hirofuji | 1993-03-16 |
| 4824904 | Resin compositions, laminates and block copolymers | Akimasa Aoyama, Kiyoshi Yonezu, Takuji Okaya | 1989-04-25 |
| 4713296 | Laminate having good gas barrier properties with barrier layer of modified ethylene-vinyl alcohol copolymer | Akimasa Aoyama, Kiyoshi Yonezu, Taichi Negi, Takuji Okaya | 1987-12-15 |
| 4636551 | Coating material | Takuji Okaya, Yoshinari Tanaka, Kiyoshi Yonezu, Akimasa Aoyama | 1987-01-13 |
| 4576988 | Saponified products of silicon-containing ethylene-vinyl acetate copolymer as melt molding materials | Yoshinari Tanaka, Akimasa Aoyama, Kenji Satoh, Takuji Okaya | 1986-03-18 |
| 4308189 | Cationic polymer emulsion | Tohei Moritani, Junnosuke Yamauchi, Yoshinari Tanaka, Makoto Shiraishi | 1981-12-29 |