Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220729 | Flame-retardant isocyanate-based foams and method of producing the same | Takashi Yokoyama, Shoichi Ohkubo | 1980-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220729 | Flame-retardant isocyanate-based foams and method of producing the same | Takashi Yokoyama, Shoichi Ohkubo | 1980-09-02 |