Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485830 | Material for ceramic ball and method of manufacturing ceramic ball | Minoru Takao, Isao Ikeda, Hiroki Tonai | 2002-11-26 |
| 6426154 | Ceramic circuit board | Takayuki Naba, Noritaka Nakayama, Kiyoshi Iyogi | 2002-07-30 |