Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766611 | Cosmetic products containing a soluble glass | Fujio Shimono, Koichi Yamamoto, Toshiyuki Onishi | 1998-06-16 |
| 5458681 | Organosilicon-treated pigment, process for production thereof, and cosmetic made therewith | Yukio Hasegawa, Isao Imai | 1995-10-17 |
| 5368639 | Organosilicon-treated pigment, process for production thereof, and cosmetic made therewith | Yukio Hasegawa, Isao Imai | 1994-11-29 |
| 5290544 | Cosmetic products containing a soluble glass | Fujio Shimono, Koichi Yamamoto, Toshiyuki Onishi | 1994-03-01 |
| 5091013 | Moisture holding pigment and a cosmetic containing such a pigment | Isao Imai, Tadashi Sugaya | 1992-02-25 |
| 4919922 | Polyolefin-treated pigment and cosmetics containing the same | Isao Imai, Tadashi Sugaya | 1990-04-24 |
| 4863800 | Surface-treated pigment material | Isao Imai | 1989-09-05 |
| 4622074 | Pigments and extender pigments which are surface-treated with hydrogenated lecithin, and cosmetics containing the same | Isao Imai | 1986-11-11 |
| 4606914 | Cosmetic composition | — | 1986-08-19 |