Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4390682 | Aromatic copolyester | Yasuhiko Asai, Isamu Hirose, Nobuo Suyama | 1983-06-28 |
| 4258154 | Aromatic polyester | Nakaba Asahara, Yasuhiko Asai, Isamu Hirose, Sadao Kato | 1981-03-24 |
| 4254242 | Fire-retardant resin composition | Yasuhiko Asai, Haruo Kohyama | 1981-03-03 |
| 4229332 | Aromatic copolyester composition | Yasuhiko Asai, Isamu Hirose, Minolu Kishida | 1980-10-21 |
| 4206100 | Resin composition | Nakaba Asahara, Yasuhiko Asai, Isamu Hirose, Kenichirou Nakamoto | 1980-06-03 |
| 4187358 | Resin composition | Yasuhiko Asai, Sadao Kato, Tadashi Ishikura, Hiroshi Sugawara | 1980-02-05 |