Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858095 | Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties | Hiroaki Masui, Nobuyuki Takahashi | 2005-02-22 |
| 5759293 | Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip | Nobuyuki Takahashi, Tadashi Nakayama, Yoshiyuki Ushigami | 1998-06-02 |
| 5597424 | Process for producing grain oriented electrical steel sheet having excellent magnetic properties | Takehide Senuma | 1997-01-28 |
| 5545263 | Process for production of grain oriented electrical steel sheet having superior magnetic properties | Takehide Senuma, Yozo Suga, Nobuyuki Takahashi | 1996-08-13 |
| 5512110 | Process for production of grain oriented electrical steel sheet having excellent magnetic properties | Katsuro Kuroki, Yukio Matsuo, Hiroaki Masui, Yoshio Nakamura, Maremizu Ishibashi +3 more | 1996-04-30 |
| 5472521 | Production method of grain oriented electrical steel sheet having excellent magnetic characteristics | Maremizu Ishibashi, Yoichi Mishima, Koji Yamasaki | 1995-12-05 |
| 5346559 | Process for manufacturing double oriented electrical steel sheet having high magnetic flux density | Yoshiyuki Ushigami, Satoshi Arai, Yozo Suga, Nobuyuki Takahashi, Takehide Senuma | 1994-09-13 |
| 5261971 | Process for preparation of grain-oriented electrical steel sheet having superior magnetic properties | Takehide Senuma, Yozo Suga, Nobuyuki Takahashi | 1993-11-16 |
| 5261972 | Process for producing grain-oriented electrical steel strip having high magnetic flux density | Katsuro Kuroki, Hiroaki Masui, Tsutomu Haratani | 1993-11-16 |
| 5215603 | Method of primary recrystallization annealing grain-oriented electrical steel strip | Tadashi Nakayama | 1993-06-01 |
| 5145533 | Process for producing grain-oriented electrical steel sheet having excellent magnetic characteristic | Yozo Suga, Nobuyuki Takahashi, Yoshiyuki Ushigami, Tadashi Nakayama | 1992-09-08 |
| 5039359 | Procees for producing grain-oriented electrical steel sheet having superior magnetic characteristic | Satoshi Arai | 1991-08-13 |
| 4990779 | Method and apparatus for evaluating strains in crystals | Kuniteru Ohta, Shuichi Funaki | 1991-02-05 |
| 4888066 | Method for producing grain-oriented electrical steel sheet with very high magnetic flux density | Kenzo Iwayama, Takeo Nagashima, Kenichi Yakashiro | 1989-12-19 |
| 4824493 | Process for producing a grain-oriented electrical steel sheet having improved magnetic properties | Kenzo Iwayama | 1989-04-25 |
| 4692193 | Process for producing a grain-oriented electrical steel sheet having a low watt loss | Katsuro Kuroki, Kenzo Iwayama | 1987-09-08 |
| 4595426 | Grain-oriented silicon steel sheet and process for producing the same | Kenzo Iwayama, Katsuro Kuroki | 1986-06-17 |