Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396571 | Method of preparing resin coated foundry sand using unsaturated polyester | Akira Oyamada, Koue Ohkawa, Kazumi Tanaka | 1983-08-02 |
IS
Isao Suyama
Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
Overall (All Time): #4,055,415 of 4,157,543Top 100%
1
Patents All Time