Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806612 | Armature coil for slotless rotary electric machinery | Kimiaki Nakamura, Hiroshi Shiina | 2004-10-19 |
| 6673733 | Method for regenerating heteropolyacid catalyst and method for producing methacrylic acid | Naohiro Fukumoto, Hiroto Kasuga, Eiichi Shiraishi | 2004-01-06 |