H01F 1/14775
In the form of sheets
Official title: {in the form of sheets}
H01F1/14775 (In the form of sheets) appears on 493 US grants and 530 published applications in this corpus.
Search patents in H01F- Granted patents
- 493
- Published applications
- 530
- Assignees
- 114
- Inventors
- 824
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 6 | 0 |
| 1978 | 13 | 0 |
| 1979 | 11 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 11 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 5 |
| 2003 | 9 | 9 |
| 2004 | 3 | 5 |
| 2005 | 6 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 9 |
| 2010 | 3 | 3 |
| 2011 | 6 | 1 |
| 2012 | 2 | 6 |
| 2013 | 1 | 9 |
| 2014 | 4 | 19 |
| 2015 | 7 | 39 |
| 2016 | 7 | 20 |
| 2017 | 24 | 17 |
| 2018 | 21 | 18 |
| 2019 | 13 | 21 |
| 2020 | 17 | 24 |
| 2021 | 23 | 34 |
| 2022 | 23 | 58 |
| 2023 | 22 | 40 |
| 2024 | 42 | 61 |
| 2025 | 41 | 53 |
| 2026 | 22 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for in-line mechanically scribing of amorphous foil for magnetic domain alignment and core loss reduction22 Sep 2026US 12,741,311 B2Metglas, Inc.
- Wound core22 Sep 2026US 12,744,143 B2Nippon Steel Corporation
- Wound core22 Sep 2026US 12,744,149 B2Nippon Steel Corporation
- Double-oriented electrical steel sheet, and method for producing same8 Sep 2026US 12,729,411 B2Posco
- Method for manufacturing grain-oriented electrical steel sheet8 Sep 2026US 12,729,412 B2Jfe Steel Corporation
- Insulation coating treatment liquid for grain-oriented electrical steel sheet, method for producing same, and method for producing grain-oriented electrical steel sheet1 Oct 2026US 2026/0302015 A1Nippon Steel Corporation
- Annealing method for hot-rolled steel strip, and method for producing electrical steel sheet using such annealing method24 Sep 2026US 2026/0286461 A1Jfe Steel Corporation
- Grain-oriented electrical steel sheet and manufacturing method thereof24 Sep 2026US 2026/0286462 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279628 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279629 A1Nippon Steel Corporation
Most cited
By later US patents
- Grain-oriented electromagnetic steel sheet with improved watt loss43US 4,293,350 ANippon Steel Corporation · 1981
- Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface28US 4,363,677 ANippon Steel Corporation · 1982
- Magnetic sheet, module comprising same, and portable device comprising same25US 10,784,030 B2Amogreentech Co., Ltd. · 2020
- Loss ferromagnetic materials and methods of improvement25US 4,645,547 AWestinghouse Electric Corp. · 1987
- Local heat treatment of electrical steel24US 4,554,029 AArmco Inc. · 1985