Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443286 | Method of making cushion material from foam slabs and comminuted soft foam scrap | Hisashi Ikeda | 1984-04-17 |
| 4374885 | Cushion materials and method of making same | Hisashi Ikeda | 1983-02-22 |