Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628934 | Photochromic color rendering regulatory composition and cosmetics | Kazuhisa Ohno, Fukuji Suzuki, Nobuhisa Tsujita | 1997-05-13 |
| 5500533 | Method and apparatus for measuring ultraviolet protection effectiveness | Katsuki Ogawa, Harumi Odagiri | 1996-03-19 |
| 5362482 | Water-in-oil emulsion solid cosmetic composition | Toshio Yoneyama, Yasuo Matsuoka, Harumi Suzuki, Susumu Takada | 1994-11-08 |
| 5182103 | Magnesium aluminometasilicate coated composite powder and use thereof | Toshihiko Nakane, Masumi Koishi, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata +13 more | 1993-01-26 |
| 5176905 | Photochromic flesh-colored pigment and process for producing the same | Kazuhisa Ohno, Fukuji Suzuki, Nobuhisa Tsujita | 1993-01-05 |
| 5122418 | Composite powder and production process | Toshihiko Nakane, Masumi Koishi, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata +11 more | 1992-06-16 |