Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472339 | Barium titanate semiconductive ceramic | Hideaki Niimi, Ryouichi Urahara, Yukio Sakabe | 2002-10-29 |
| 6376079 | Semiconducting ceramic and semiconducting ceramic electronic element | Hideaki Niimi | 2002-04-23 |