Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4258154 | Aromatic polyester | Kayomon Kyo, Nakaba Asahara, Yasuhiko Asai, Isamu Hirose | 1981-03-24 |
| 4187358 | Resin composition | Kayomon Kyo, Yasuhiko Asai, Tadashi Ishikura, Hiroshi Sugawara | 1980-02-05 |