Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533227 | Toothbrush | Ryu Ito, Satoshi Hayashi, Akiko Terai | 1996-07-09 |
| 5178869 | Liquid dentifrice compositions | Yoshihiro Ebine, Satoshi Hayashi | 1993-01-12 |
| 4702904 | Oral composition containing zirconium-bonded synthetic amorphous silicate | Tsutomu Maeyama, Shigeru Ishii | 1987-10-27 |
| 4618488 | Toothpaste composition | Tsutomu Maeyama, Shigeru Ishii | 1986-10-21 |
| 4585648 | Dentifrice composition comprising zirconium-bonded synthetic amorphous silicate | Tsutomu Maeyama, Shigeru Ishii | 1986-04-29 |