Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386209 | Cosmetic case | Yukitomo Yuhara, Michiaki Kumagai, Takashi Sugiyama | 2002-05-14 |
| 6311701 | Cosmetic case | Yukitomo Yuhara, Michiaki Kumagai, Takashi Sugiyama | 2001-11-06 |
| 6192895 | Cosmetic case | Yukitomo Yuhara, Michiaki Kumagai, Takashi Sugiyama | 2001-02-27 |