Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577213 | Method and apparatus for multiplying a frequency of an electromagnetic wave | Hideki Watanabe, Makoto Sawamura, Kazuhisa Sueoka, Koichi Mukasa | 2003-06-10 |
| 6504665 | Method and apparatus for magnetic recording | Koichi Mukasa, Soshin Chikazumi, Eichi Hirota, Makoto Sawamura | 2003-01-07 |