Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714650 | Stainproof, flame-resistant composite sheet material | Tsutomu Obayashi, Kazuhide Ino, Saburo Baba | 1987-12-22 |
| 4686135 | Composite sheet material | Tsutomu Obayashi, Kazuhide Ino, Saburo Baba | 1987-08-11 |
| 4312907 | Water-impermeable sheet material | Tsutomu Obayashi | 1982-01-26 |