Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4717503 | Demolition agent for brittle materials | Toshiaki Kakinuma, Tomio Iwata, Masumi Itoh, Takayoshi Hirose | 1988-01-05 |
| 4636323 | Lubricating oil composition for metal rolling | Takeshi Nagai, Shingo Yamazaki | 1987-01-13 |
| 4411702 | Method for sheet forming a gypsum hardened body | Yoshihiko Murata, Toshiaki Kakinuma, Masaharu Yamaguchi, Naoyuki Fujisawa | 1983-10-25 |