Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312878 | Naphthalene containing epoxy resin cured with a dicyclopentadiene phenolic resin | Toshio Shiobara, Kazutoshi Tomiyoshi, Takayuki Aoki | 1994-05-17 |
| 5173544 | Epoxy resin compositions | Hisashi Shimizu, Kazutoshi Tomiyoshi, Toshio Shiobara | 1992-12-22 |