Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619723 | Method for preformation of cushion and apparatus therefor | — | 1986-10-28 |
| 4572430 | Air conditioner for vehicular seat | Shigetsugu Yura, Masaki Fukuda | 1986-02-25 |
| 4563387 | Cushioning material | Shigetsugu Yura, Masaki Fukuda, Yukio Oikawa | 1986-01-07 |
| 4386041 | Method for the manufacture of a cushioning material which comprises compressing synthetic filaments, applying adhesive and heating, and pressing the resultant material in the presence of steam | — | 1983-05-31 |
| 4298418 | Method and apparatus for the manufacture of a locked material of filament | — | 1981-11-03 |
| 4296054 | Method for production of polyurethane cushion material | — | 1981-10-20 |
| 4269889 | Polyurethane cushion material and preparing the same | — | 1981-05-26 |
| 4244175 | Method and apparatus for manufacturing a three-dimensioned crimp filament | — | 1981-01-13 |