H10D 12/421
On insulating layers or insulating substrates
Official title: {on insulating layers or insulating substrates, e.g. thin-film IGBTs}
H10D12/421 (On insulating layers or insulating substrates) appears on 291 US grants and 233 published applications in this corpus.
Search patents in H10D- Granted patents
- 291
- Published applications
- 233
- Assignees
- 104
- Inventors
- 429
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 5 | 3 |
| 2002 | 9 | 6 |
| 2003 | 4 | 2 |
| 2004 | 5 | 10 |
| 2005 | 7 | 9 |
| 2006 | 7 | 6 |
| 2007 | 5 | 9 |
| 2008 | 7 | 14 |
| 2009 | 6 | 8 |
| 2010 | 5 | 9 |
| 2011 | 11 | 11 |
| 2012 | 5 | 9 |
| 2013 | 17 | 18 |
| 2014 | 18 | 21 |
| 2015 | 17 | 12 |
| 2016 | 10 | 9 |
| 2017 | 9 | 9 |
| 2018 | 13 | 10 |
| 2019 | 10 | 11 |
| 2020 | 7 | 13 |
| 2021 | 7 | 8 |
| 2022 | 9 | 10 |
| 2023 | 5 | 5 |
| 2024 | 7 | 6 |
| 2025 | 3 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
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