Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693313 | Teeth coating liquid | Katsuhiko Shiraishi, Tetsuo Kosaka, Takashi Umeno, Tomoko Hasegawa, Kazuhiro Ami | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693313 | Teeth coating liquid | Katsuhiko Shiraishi, Tetsuo Kosaka, Takashi Umeno, Tomoko Hasegawa, Kazuhiro Ami | 1997-12-02 |