Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7471182 | Core having superior end face insulation and method of treating core end faces to give insulation coating | Tomoji Kumano, Chikara Kaido, Hiroyasu Fujii, Kazutaka Higashine, Osamu Tanaka +4 more | 2008-12-30 |
| 7173509 | Core having superior end face insulation and method of treating core end faces to give insulation coating | Tomoji Kumano, Chikara Kaido, Hiroyasu Fujii, Kazutaka Higashine, Osamu Tanaka +4 more | 2007-02-06 |
| 6425962 | Non-oriented electrical steel sheet excellent in permeability and method of producing the same | Ryutaro Kawamata, Yoshihiro Arita, Shinichi Kanao, Takeshi Kubota, Kenichi Murakami | 2002-07-30 |