Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628934 | Photochromic color rendering regulatory composition and cosmetics | Kazuhisa Ohno, Shigenori Kumagai, Nobuhisa Tsujita | 1997-05-13 |
| 5605751 | Laminates | Tsutomu Saito, Nobuhisa Tsujita, Yoshimi Kanada, Kazumi Saito, Toshiaki Ougiya | 1997-02-25 |