Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10665372 | Electrical steel sheet and manufacturing method thereof | Kazutoshi Takeda, Kenji Kosuge, Tatsuya Takase | 2020-05-26 |
| 10610964 | Grain-oriented electrical steel sheet causing low core loss and low magnetostriction | Satoshi Arai, Hideyuki Hamamura, Kenichi Murakami, Hideyuki Kobayashi, Norikazu Fujii +1 more | 2020-04-07 |
| 10604848 | Electrical steel sheet | Masaru Takahashi, Shuichi Yamazaki, Kazutoshi Takeda | 2020-03-31 |
| 10549315 | Electrical steel sheet | Masaru Takahashi, Shuichi Yamazaki, Kazutoshi Takeda | 2020-02-04 |
| 10519551 | Electrical steel sheet | Shuichi Yamazaki, Masaru Takahashi, Kazutoshi Takeda, Koji Kanehashi | 2019-12-31 |
| 10190219 | Electrical steel sheet | Shuichi Yamazaki, Masaru Takahashi, Kazutoshi Takeda | 2019-01-29 |
| 9984801 | Electrical steel sheet and manufacturing method thereof | Kazutoshi Takeda, Kenji Kosuge, Tatsuya Takase | 2018-05-29 |
| 8268097 | Grain-oriented electrical steel sheet and producing method therefor | Fumiaki Takahashi, Kazutoshi Takeda, Shuichi Yamazaki, Yoshiaki Natori | 2012-09-18 |
| 7998284 | Grain-oriented electrical steel sheet having high tensile strength insulating film and method of treatment of such insulating film | Kazutoshi Takeda, Fumiaki Takahashi, Shuichi Yamazaki, Fumikazu Andou | 2011-08-16 |
| 7850792 | Grain-oriented electrical steel sheet having insulating film not containing chromium and insulating film agent of same | Osamu Tanaka, Norikazu Fujii, Kazutoshi Takeda | 2010-12-14 |
| 7736449 | High-strength hot-dip galvanized steel sheet and method for producing the same | Yoshihisa Takada, Masayoshi Suehiro, Masao Kurosaki, Hidekuni Murakami, Haruhiko Eguchi +1 more | 2010-06-15 |
| 7471182 | Core having superior end face insulation and method of treating core end faces to give insulation coating | Tomoji Kumano, Chikara Kaido, Kazutaka Higashine, Osamu Tanaka, Norikazu Fujii +4 more | 2008-12-30 |
| 7364629 | Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface | Yoshiyuki Ushigami, Shuichi Nakamura, Kenichi Murakami | 2008-04-29 |
| 7294412 | High-strength hop-dip galvanized steel sheet | Yoshihisa Takada, Masayoshi Suehiro, Masao Kurosaki, Hidekuni Murakami, Haruhiko Eguchi +1 more | 2007-11-13 |
| 7173509 | Core having superior end face insulation and method of treating core end faces to give insulation coating | Tomoji Kumano, Chikara Kaido, Kazutaka Higashine, Osamu Tanaka, Norikazu Fujii +4 more | 2007-02-06 |
| 6733599 | Method for producing grain-oriented silicon steel sheet not having inorganic mineral film | Yoshiyuki Ushigami, Shuichi Nakamura, Kenichi Murakami, Norihiro Yamamoto, Kiyoshi Sawano +1 more | 2004-05-11 |
| 6713187 | Grain-oriented silicon steel sheet excellent in adhesiveness to tension-creating insulating coating films and method for producing the same | Genichi Shigesato, Kenichi Murakami, Yoshiyuki Ushigami, Shuichi Nakamura, Masaaki Sugiyama | 2004-03-30 |
| 6613160 | Method to produce grain-oriented electrical steel sheet having high magnetic flux density | Yoshiyuki Ushigami, Shuichi Nakamura, Kenichi Murakami, Norihiro Yamamoto | 2003-09-02 |
| 6461741 | Grain-oriented electromagnetic steel sheet with excellent coating properties and process for its manufacture | Kazutoshi Takeda, Shuichi Yamazaki, Hideyuki Kobayashi | 2002-10-08 |
| 5961744 | Grain oriented silicon steel sheet having low core loss and method of manufacturing same | Shuichi Yamazaki, Takeo Nagashima, Yoshiyuki Ushigami, Osamu Tanaka, Katsurou Kuroki +1 more | 1999-10-05 |
| 5782998 | Grain oriented electrical steel sheet having specular surface | Yoshiyuki Ushigami, Takeo Nagashima, Shuichi Yamazaki, Yozo Suga, Tadashi Nakayama +2 more | 1998-07-21 |
| 5565272 | Grain oriented silicon steel sheet having excellent primary film properties | Hiroaki Masui, Morio Shiozaki, Nobuyuki Takahashi, Hisashi Kabayashi, Takeo Nagashima +1 more | 1996-10-15 |
| 5509976 | Method for producing a grain-oriented electrical steel sheet having a mirror surface and improved core loss | Shuichi Yamazaki, Yoshiyuki Ushigami, Kenichi Murakami | 1996-04-23 |
| 5190597 | Process for producing grain-oriented electrical steel sheet having improved magnetic and surface film properties | Hisashi Kobayashi, Osamu Tanaka | 1993-03-02 |
| 5129965 | Method of producing grain oriented silicon steel sheets each having a low watt loss and a mirror surface | Hisashi Kobayashi, Yoshiyuki Ushigami | 1992-07-14 |