Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584631 | Member for supporting magnetic disc substrates, process of producing the same, and magnetic disc device using the same | Masahiro Okumura | 2009-09-08 |
| 7179550 | Member for supporting magnetic disc substrates, process of producing the same, and magnetic disc device using the same | Masahiro Okumura | 2007-02-20 |
| 6916559 | Ceramic material resistant to halogen plasma and member utilizing the same | Shunichi Murakawa, Yumiko Itoh, Hiroshi Aida, Katsumi Nakamura | 2005-07-12 |
| 6447937 | Ceramic materials resistant to halogen plasma and components using the same | Shunichi Murakawa, Yumiko Itoh, Hiroshi Aida, Katsumi Nakamura | 2002-09-10 |