Issued Patents All Time
Showing 1–4 of 4 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, Osamu Tanaka, Norikazu Fujii +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, Osamu Tanaka, Norikazu Fujii +4 more | 2007-02-06 |
| 4615750 | Process for producing a grain-oriented electrical steel sheet | Kishio Mochinaga, Kohichi Fujiwara, Hisashi Kobayashi | 1986-10-07 |
| 4493739 | Process for producing a grain-oriented electromagnetic steel sheet or strip having a low watt loss and a grain-oriented electromagnetic steel strip having uniform magnetic properties | Koichi Fujiwara, Tomohiko Sakai, Yoneo Yamada | 1985-01-15 |