Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741355 | Pearlescent pigment, and paint composition, cosmetic material, ink and plastics blended with the new pearlescent pigment | Masaru Yamamoto, Akitsugu Ando | 1998-04-21 |
| 5098712 | Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein | Kazuhisa Ohno, Kenichiro Sugimori, Akitsugau Ando, Masaru Yamamoto, Fukuji Suzuki +2 more | 1992-03-24 |
| 5094852 | Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein | Kazuhisa Ohno, Kenichiro Sugimori, Akitsugu Ando, Masaru Yamamoto, Fukuji Suzuki +2 more | 1992-03-10 |
| 5023065 | Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein | Kazuhisa Ohno, Kenichiro Sugimori, Akitsugu Ando, Masaru Yamamoto, Fukuji Suzuki +2 more | 1991-06-11 |