Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5727335 | Footwear for patients of osteoarthritis of the knee | Mitsuko Kousaka, Kumiko Isaka | 1998-03-17 |
| 5579591 | Footwear for patients of osteoarthritis of the knee | Mitsuko Kousaka, Kumiko Isaka | 1996-12-03 |
| 5497566 | Method of manufacturing elevating shoes | Mitsuko Kousaka, Kumiko Isaka | 1996-03-12 |
| 5437111 | Elevating shoe provided with a deceptive inner member | Mitsuko Kousaka, Kumiko Isaka | 1995-08-01 |