Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632910 | Covering material | Yasuyuki Takagi, Nobuo Oi | 2003-10-14 |
| 6601833 | Container for sparkling beverage and bubble generating means | Ryuzo Takai, Takashi Nakajima, Kimiko Otani | 2003-08-05 |
| 6562550 | Preparation of optical disk master | Hisaji Oyake | 2003-05-13 |