Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980445 | Power factor improving converter and control method thereof | Yukinari Fukumoto, Koichi Morita | 2005-12-27 |
| 6939819 | Glass ceramic composition | Hitoshi Onoda, Kazunari Watanabe, Yumi Okuyama, Yasuko Osaki, Katsuyoshi NAKAYAMA | 2005-09-06 |