Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743304 | Non-oriented electrical steel sheet with ultra-high magnetic flux density and production method thereof | Takeshi Kubota | 2004-06-01 |
| 6478892 | Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the same | Ken Murakami, Takashi Morohoshi, Tomoji Kumano, Takeshi Kubota, Masafumi Zeze +2 more | 2002-11-12 |
| 6425962 | Non-oriented electrical steel sheet excellent in permeability and method of producing the same | Yoshihiro Arita, Shinichi Kanao, Kazufumi Hanzawa, Takeshi Kubota, Kenichi Murakami | 2002-07-30 |
| 5803989 | Process for producing non-oriented electrical steel sheet having high magnetic flux density and low iron loss | Takeshi Kubota, Tomoji Kumano | 1998-09-08 |