Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071983 | Primer composition and curable composition | Takashi Yamamoto, Weiping Zeng, Masami Arata, Harumi Tanaka | 2000-06-06 |
| 6051626 | Adhesive composition for dental or surgical treatment | Weiping Zeng, Akari Shimozono | 2000-04-18 |
| 5834532 | Primer composition and curable composition | Takashi Yamamoto, Weiping Zeng, Masami Arata, Harumi Tanaka | 1998-11-10 |
| 5700875 | Adhesive composition for dental treatment | Weiping Zeng, Takashi Yamamoto, Masami Arata | 1997-12-23 |
| 5670559 | Primer solution composition for dental bonding | Weiping Zeng, Masami Arata | 1997-09-23 |
| 5587406 | Primer composition and curable composition | Takashi Yamamoto, Weiping Zeng, Masami Arata, Harumi Tanaka | 1996-12-24 |
| 5530038 | Primer composition and curable composition | Takashi Yamamoto, Weiping Zeng, Masami Arata, Harumi Tanaka | 1996-06-25 |