Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616920 | Nail-care composition containing nail-care polymer | Kayo Ito, Tomoaki Hiwatashi, Shigeoki Kawaguchi, Kazuhide Hayama | 2003-09-09 |
| 4567097 | Composite heat-insulating material | Takao Yazaki, Kazuhide Hattori, Takumi MATSUNO, Kazuhide Hayama, Isao Ito | 1986-01-28 |