Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612268 | Dielectric ceramic composition | Masamitsu Shibata, Yukio Hamaji | 1997-03-18 |
| 5554571 | Production of dielectric ceramic material powder | Shinsei Okabe, Harunobu Sano | 1996-09-10 |
| 5439857 | Dielectric ceramic composition | Harunobu Sano, Yukio Hamaji, Kunisaburo Tomono | 1995-08-08 |