Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512360 | Grain-oriented electrical steel sheet with excellent magnetic characteristics | Shinya YANO, Shingo Okada, Akio Oguri, Shota MORIMOTO | 2022-11-29 |
| 8303730 | Manufacturing method of grain-oriented electrical steel sheet | Yoshiyuki Ushigami, Shuichi Nakamura, Yohichi Zaizen | 2012-11-06 |
| 8202374 | Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet | Norihiro Yamamoto, Yoshiyuki Ushigami, Shuichi Nakamura | 2012-06-19 |
| 7976645 | Method of production of grain-oriented electrical steel sheet having a high magnetic flux density | Yoshiyuki Ushigami, Norikazu Fujii | 2011-07-12 |
| 7857915 | Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of same | Kenichi Murakami, Yoshiyuki Ushigami | 2010-12-28 |
| 7833360 | Method of producing grain-oriented electrical steel sheet very excellent in magnetic properties | Shyuichi Yamazaki, Osamu Tanaka | 2010-11-16 |
| 7471182 | Core having superior end face insulation and method of treating core end faces to give insulation coating | Chikara Kaido, Hiroyasu Fujii, Kazutaka Higashine, 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 | Chikara Kaido, Hiroyasu Fujii, Kazutaka Higashine, Osamu Tanaka, Norikazu Fujii +4 more | 2007-02-06 |
| 6478892 | Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the same | Ken Murakami, Takashi Morohoshi, Ryutaro Kawamata, Takeshi Kubota, Masafumi Zeze +2 more | 2002-11-12 |
| 6432222 | Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties | Yoshifumi Ohata, Norikazu Fujii, Hisashi Mogi, Hitoshi Yokouchi, Norihiro Yamamoto | 2002-08-13 |
| 5840131 | Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties | Kenichi Yakashiro, Hotaka Honma, Maremizu Ishibashi, Akira Sakaida, Koji Yamasaki +2 more | 1998-11-24 |
| 5803989 | Process for producing non-oriented electrical steel sheet having high magnetic flux density and low iron loss | Ryutaro Kawamata, Takeshi Kubota | 1998-09-08 |
| 5685920 | Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same | Osamu Tanaka, Maremizu Ishibashi, Tsuyoshi Hamaya, Tsutomu Haratani, Koji Yamasaki +3 more | 1997-11-11 |
| 5421912 | Method of producing non-oriented electrical steel sheet having good magnetic properties | Takeshi Kubota, Tadashi Nakayama, Hiroaki Masui, Yuji Yoshimura | 1995-06-06 |
| 4543134 | Process for producing grain-oriented electrical steel sheet having both improved magnetic properties and properties of glass film | Osamu Tanaka, Shozaburo Nakashima, Takashi Nagano, Yoshitaka Hiromae | 1985-09-24 |