H01F 1/14783
With insulating coating
Official title: {with insulating coating}
H01F1/14783 (With insulating coating) appears on 216 US grants and 173 published applications in this corpus.
Search patents in H01F- Granted patents
- 216
- Published applications
- 173
- Assignees
- 62
- Inventors
- 433
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 7 |
| 2015 | 2 | 8 |
| 2016 | 2 | 5 |
| 2017 | 3 | 0 |
| 2018 | 5 | 4 |
| 2019 | 5 | 6 |
| 2020 | 1 | 7 |
| 2021 | 7 | 12 |
| 2022 | 7 | 25 |
| 2023 | 10 | 6 |
| 2024 | 16 | 30 |
| 2025 | 19 | 19 |
| 2026 | 8 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-oriented electrical steel sheet, and method for manufacturing same28 Jul 2026US 12,692,574 B2LG Electronics Inc.
- Grain-oriented electrical steel sheet and method for forming insulating coating23 Jun 2026US 12,665,112 B2Nippon Steel Corporation
- Non-oriented electrical steel sheet and method for manufacturing the same9 Jun 2026US 12,649,957 B2Nippon Steel Corporation
- Method for producing composite magnetic body, magnetic powder, composite magnetic body and coil component12 May 2026US 12,623,282 B2Panasonic Intellectual Property Management Co., Ltd.
- Method of manufacturing grain-oriented electrical steel sheet12 May 2026US 12,626,844 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
- 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
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279630 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and wound iron core10 Sep 2026US 2026/0265881 A1Jfe Steel Corporation
Most cited
By later US patents
- 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
- 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
- Extra-low iron loss grain oriented silicon steel sheets24US 4,698,272 AKawasaki Steel Corporation · 1987
- Method for forming an insulating coating on an oriented silicon steel sheet22US 3,985,583 AKawasaki Steel Corporation · 1976