Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939195 | Self-extinguishing polymer composition | Iwao Ishino, Yayoi Ishikawa | 1990-07-03 |
| 4802892 | Fuel oil additive and fuel oil having improved flowability | Takeo Shimada, Tsutomu Isaka, Noriyuki Okada, Iwao Ishino | 1989-02-07 |