Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489000 | Cushion having a three-dimensional net | Yumi Ogura, Etsunori Fujita, Kazuyoshi Chizuka, Seiji Kawasaki | 2002-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489000 | Cushion having a three-dimensional net | Yumi Ogura, Etsunori Fujita, Kazuyoshi Chizuka, Seiji Kawasaki | 2002-12-03 |