Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713187 | Grain-oriented silicon steel sheet excellent in adhesiveness to tension-creating insulating coating films and method for producing the same | Genichi Shigesato, Hiroyasu Fujii, Kenichi Murakami, Shuichi Nakamura, Masaaki Sugiyama | 2004-03-30 |
| 6613160 | Method to produce grain-oriented electrical steel sheet having high magnetic flux density | Shuichi Nakamura, Kenichi Murakami, Hiroyasu Fujii, Norihiro Yamamoto | 2003-09-02 |
| 6322688 | Method of forming an insulating film on a magnetic steel sheet | Shuichi Yamazaki, Masao Kurosaki, Kenichi Murakami | 2001-11-27 |
| 5961744 | Grain oriented silicon steel sheet having low core loss and method of manufacturing same | Shuichi Yamazaki, Hiroyasu Fujii, Takeo Nagashima, Osamu Tanaka, Katsurou Kuroki +1 more | 1999-10-05 |
| 5888314 | Process for preparation of oriented electrical steel sheet having high flux density | Fumio Kurosawa, Hajime Komatsu | 1999-03-30 |
| 5782998 | Grain oriented electrical steel sheet having specular surface | Takeo Nagashima, Shuichi Yamazaki, Hiroyasu Fujii, Yozo Suga, Tadashi Nakayama +2 more | 1998-07-21 |
| 5759293 | Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip | Nobuyuki Takahashi, Yasunari Yoshitomi, Tadashi Nakayama | 1998-06-02 |
| 5614034 | Process for producing ultrahigh silicon electrical thin steel sheet by cold rolling | Yozo Suga, Hotaka Honma, Syuji Kitahara | 1997-03-25 |
| 5512110 | Process for production of grain oriented electrical steel sheet having excellent magnetic properties | Yasunari Yoshitomi, Katsuro Kuroki, Yukio Matsuo, Hiroaki Masui, Yoshio Nakamura +3 more | 1996-04-30 |
| 5509976 | Method for producing a grain-oriented electrical steel sheet having a mirror surface and improved core loss | Shuichi Yamazaki, Hiroyasu Fujii, Kenichi Murakami | 1996-04-23 |
| 5478410 | Process for producing grain-oriented electrical steel sheet having low watt loss | Yozo Suga, Takeo Nagashima | 1995-12-26 |
| 5415703 | Very thin electrical steel strip having low core loss and high magnetic flux density and a process for producing the same | Norito Abe, Sadami Kousaka, Tadao Nozawa, Osamu Honjo, Tadashi Nakayama | 1995-05-16 |
| 5370748 | Process for manufacturing double oriented electrical steel sheet having high magnetic flux density | Yozo Suga | 1994-12-06 |
| 5346559 | Process for manufacturing double oriented electrical steel sheet having high magnetic flux density | Satoshi Arai, Yozo Suga, Yasunari Yoshitomi, Nobuyuki Takahashi, Takehide Senuma | 1994-09-13 |
| 5308411 | Ultrahigh silicon, grain-oriented electrical steel sheet and process for producing the same | Yozo Suga, Hodaka Honma, Nobuyuki Takahashi | 1994-05-03 |
| 5186762 | Process for producing grain-oriented electrical steel sheet having high magnetic flux density | Tadashi Nakayama, Nobuyuki Takahashi | 1993-02-16 |
| 5145533 | Process for producing grain-oriented electrical steel sheet having excellent magnetic characteristic | Yasunari Yoshitomi, Yozo Suga, Nobuyuki Takahashi, Tadashi Nakayama | 1992-09-08 |
| 5129965 | Method of producing grain oriented silicon steel sheets each having a low watt loss and a mirror surface | Hisashi Kobayashi, Hiroyasu Fujii | 1992-07-14 |
| 5082509 | Method of producing oriented electrical steel sheet having superior magnetic properties | Toyohiko Konno, Yozo Suga, Kiyoshi Ueno, Mikio Itoh, Toshio Nishiyama +1 more | 1992-01-21 |
| 5026439 | Process for preparing wound core having low core loss | Masaki Tanaka, Norito Abe, Masao Yabumoto, Tadao Nozawa | 1991-06-25 |
| 4997493 | Process for production of double-oriented electrical steel sheet having high flux density | Yozo Suga, Tadashi Nakayama, Nobuyuki Takahashi | 1991-03-05 |