Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913909 | Complex of tea-leaf extract and active aluminum hydroxide | Yukihiko Hara, Hajime Asai, Hajimu Yamamoto, Kazuo Okushio, Kozo Nakamura | 1990-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913909 | Complex of tea-leaf extract and active aluminum hydroxide | Yukihiko Hara, Hajime Asai, Hajimu Yamamoto, Kazuo Okushio, Kozo Nakamura | 1990-04-03 |