H10F 10/146
Back-junction photovoltaic cells
Official title: {Back-junction photovoltaic cells, e.g. having interdigitated base-emitter regions on the back side}
H10F10/146 (Back-junction photovoltaic cells) appears on 765 US grants and 1,199 published applications in this corpus.
Search patents in H10F- Granted patents
- 765
- Published applications
- 1,199
- Assignees
- 254
- Inventors
- 1,565
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 4 |
| 2002 | 9 | 3 |
| 2003 | 1 | 3 |
| 2004 | 1 | 5 |
| 2005 | 2 | 7 |
| 2006 | 5 | 4 |
| 2007 | 3 | 5 |
| 2008 | 5 | 17 |
| 2009 | 1 | 25 |
| 2010 | 16 | 64 |
| 2011 | 17 | 83 |
| 2012 | 35 | 113 |
| 2013 | 43 | 90 |
| 2014 | 66 | 120 |
| 2015 | 71 | 122 |
| 2016 | 74 | 81 |
| 2017 | 65 | 74 |
| 2018 | 48 | 47 |
| 2019 | 41 | 48 |
| 2020 | 42 | 39 |
| 2021 | 30 | 20 |
| 2022 | 25 | 31 |
| 2023 | 29 | 30 |
| 2024 | 40 | 50 |
| 2025 | 35 | 53 |
| 2026 | 30 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Backside contact solar cells with separated polysilicon doped regions29 Sep 2026US 12,751,094 B2
- Back contact solar cell, preparation method therefor, and photovoltaic module8 Sep 2026US 12,733,265 B2Longi Green Energy Technology Co., Ltd.
- Solar cell, method of making, and photovoltaic module18 Aug 2026US 12,713,711 B2Zhejiang Jinko Solar Co., Ltd.
- Back contact solar cell, preparation method therefor, and photovoltaic module18 Aug 2026US 12,713,733 B2Longi Green Energy Technology Co., Ltd.
- Passivated contact structure and solar cell comprising the same, cell assembly, and photovoltaic system11 Aug 2026US 12,707,753 B2Solarlab Aiko Europe GmbH
- Solar cell and photovoltaic module8 Oct 2026US 2026/0314083 A1Tongwei Solar (Meishan) Co., Ltd.
- Back contact solar cell and manufacturing method therefor1 Oct 2026US 2026/0304964 A1Longi Green Energy Technology Co., Ltd.
- Back contact solar cell and method for manufacturing same1 Oct 2026US 2026/0305001 A1Longi Green Energy Technology Co., Ltd.
- Solar cell, manufacturing method therefor, and photovoltaic module1 Oct 2026US 2026/0305010 A1Zhejiang Jinko Solar Co., Ltd.
- Solar cell and production method of the same10 Sep 2026US 2026/0271408 A1Jinko Solar (Haining) Co., Ltd.
Most cited
By later US patents
- Thin-film photoelectric conversion device and a method of manufacturing the same271US 5,700,333 ASemiconductor Energy Laboratory Co.Ltd. · 1997
- Bilevel contact solar cells219US 5,053,083 AThe Board of Trustees of the Leland Stanford Junior University · 1991
- Solar cell arrangement180US 6,441,297 B12002
- Back side contact solar cell with doped polysilicon regions170US 7,468,485 B1SunPower Corporation · 2008
- Method of fabricating back surface point contact solar cells163US 4,927,770 ABoard of Trustees of the Leland Stanford California Corporation · 1990