Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610425 | Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber | Takao Sawa, Katsutoshi Nakagawa, Teruo Murakami, Masao Obama | 2003-08-26 |
| 6545466 | MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MANUFACTURING METHOD FOR MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MAGNETIC INK FOR VALIDITY DETERMINATION, PRINTING MEMBER FOR VALIDITY DETERMINATION, DETECTING DEVICE FOR PRINTING MEMBER FOR VALIDITY DETERMINATION, AND VALIDITY DETERMINATION DEVICE | Takao Sawa, Katsutoshi Nakagawa, Teruo Murakami, Tadahiko Kobayashi, Masao Obama | 2003-04-08 |
| 6512414 | Automatic filter tuning control system | Akio Yokoyama, Michiyo Yamamoto, Norihide Kinugasa, Mamoru Arayashiki | 2003-01-28 |