Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8992894 | Oral stain remover and oral composition | Toshikazu Shiba, Kazuyoshi Okada, Yoshio Tsujino | 2015-03-31 |
| 5198369 | Sample measuring method using agglomeration reaction of microcarriers | Yuuji Itoh, Michiyo Itoh, Yoshiyuki Touge, Tatsuya Yamazaki | 1993-03-30 |