Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283297 | Artificial hair from poly amino acid urethane fiber | Yasuyoshi Miyachi, Masako Koyama | 1994-02-01 |
| 5258446 | Resin composition | Masao Enomoto | 1993-11-02 |
| 4996286 | Trihydrazide latent curing agent for epoxy resins | Kiyomiki Hirai, Koji Takeuchi, Masahiro Abe | 1991-02-26 |
| 4546155 | Latent curing agents for epoxy resins | Takeshi Hirose, Kiyomiki Hirai, Koji Takeuchi | 1985-10-08 |
| 4544733 | Latent curing agents for epoxy resins | Kiyomiki Hirai, Koji Takeuchi, Masahiro Abe | 1985-10-01 |
| 4542202 | Latent curing agents for epoxy resins | Koji Takeuchi, Masahiro Abe, Kiyomiki Hirai | 1985-09-17 |
| 4530991 | Latent curing agents for epoxy resins | Kiyomiki Hirai, Koji Takeuchi, Masahiro Abe | 1985-07-23 |
| 4465830 | Latent curing agents for epoxy resins | Koji Takeuchi, Masahiro Abe, Kiyomiki Hirai | 1984-08-14 |
| 4450267 | Latent curing agents for epoxy resins | Koji Takeuchi, Masahiro Abe, Tsuneo Ishiguro | 1984-05-22 |
| 4448949 | Latent curing agents for epoxy resins | Koji Takeuchi, Masahiro Abe, Kiyomiki Hirai | 1984-05-15 |
| 4423175 | Halogen-containing resin compositions stabilized by methionine diketopiperazine | Nobuyoshi Kitamura, Koji Takeuchi | 1983-12-27 |
| 4384059 | Halogen-containing resin compositions stabilized by methionine derivatives | Nobuyoshi Kitamura, Koji Takeuchi | 1983-05-17 |
| 4236540 | Pliable and restorable hairsetter | Shoji Takagi | 1980-12-02 |