Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500533 | Method and apparatus for measuring ultraviolet protection effectiveness | Katsuki Ogawa, Shigenori Kumagai | 1996-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500533 | Method and apparatus for measuring ultraviolet protection effectiveness | Katsuki Ogawa, Shigenori Kumagai | 1996-03-19 |