Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506267 | Personal ornament and silver alloy for personal ornament | Hiroshi Fujiyasu, Hiroyasu Nishizawa | 2003-01-14 |
| 5053248 | Method for fixing on cloth semiconductor material with a contact-potential difference, and cloth bearing such semiconductor material | Shigeya Hakamata, Takumi Kurihara, Hiroshi Fuziyasu | 1991-10-01 |