Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731111 | Validity determination using magnetic ink having magnetic powders with different Curie temperatures | Takao Sawa, Katsutoshi Nakagawa, Teruo Murakami, Tadahiko Kobayashi, Masao Obama | 2004-05-04 |
| 6728526 | Fractional-N frequency synthesizer with multiple clocks having different timings | Ryoichi Yamada, Shunsuke Hirano, Yasunori Miyahara, Hisashi Adachi, Hiroki Kojima | 2004-04-27 |