Y02E 10/546
Polycrystalline silicon pv cells
Official title: Polycrystalline silicon PV cells
Y02E10/546 (Polycrystalline silicon pv cells) appears on 724 US grants and 873 published applications in this corpus.
Search patents in Y02E- Granted patents
- 724
- Published applications
- 873
- Assignees
- 367
- Inventors
- 1,586
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 4 |
| 2002 | 6 | 20 |
| 2003 | 13 | 15 |
| 2004 | 13 | 9 |
| 2005 | 9 | 18 |
| 2006 | 10 | 12 |
| 2007 | 11 | 17 |
| 2008 | 4 | 31 |
| 2009 | 6 | 47 |
| 2010 | 12 | 67 |
| 2011 | 27 | 73 |
| 2012 | 39 | 60 |
| 2013 | 33 | 60 |
| 2014 | 48 | 84 |
| 2015 | 53 | 58 |
| 2016 | 56 | 68 |
| 2017 | 43 | 46 |
| 2018 | 38 | 32 |
| 2019 | 35 | 41 |
| 2020 | 35 | 28 |
| 2021 | 19 | 18 |
| 2022 | 20 | 15 |
| 2023 | 18 | 16 |
| 2024 | 17 | 17 |
| 2025 | 12 | 11 |
| 2026 | 9 | 6 |
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
- Conductive contacts for polycrystalline silicon features of solar cells11 Aug 2026US 12,707,756 B2Maxeon Solar Pte. Ltd.
- Method and optoelectronic structure providing polysilicon photonic devices with different optical properties in different regions23 Jun 2026US 12,666,754 B2Massachusetts Institute of Technology
- Solar cell and preparation method therefor2 Jun 2026US 12,648,256 B2Tongwei Solar (Chengdu) Co., Ltd.
- Solar cell and preparation method therefor5 May 2026US 12,622,068 B2Tongwei Solar (Meishan) Co., Ltd.
- Solar cell and method of manufacturing the same6 Aug 2026US 2026/0231536 A1Shangrao Jinko solar Technology Development Co., LTD
- Back-contacted solar cell and manufacturing method therefor, and photovoltaic module16 Jul 2026US 2026/0206359 A1Longi Solar Technology (Taizhou) Co., Ltd.
- Solar cell emitter region fabrication with differentiated p-type and n-type layouts and incorporating dotted diffusion21 May 2026US 2026/0143826 A1Maxeon Solar Pte. Ltd.
- Back contact solar cell and method for preparing same14 May 2026US 2026/0136700 A1Chint New Energy Technology Co., Ltd.
- Back contact solar cell and photovoltaic module30 Apr 2026US 2026/0123090 A1Longi Green Energy Technology Co., Ltd.
Most cited
By later US patents
- Dopant precursors and processes596US 6,743,738 B2ASM America, Inc. · 2004
- Process for deposition of semiconductor films239US 6,821,825 B2ASM America, Inc. · 2004
- Image sensor with microcrystalline germanium photodiode layer178US 7,276,749 B2e-Phocus, Inc. · 2007
- Back side contact solar cell with doped polysilicon regions170US 7,468,485 B1SunPower Corporation · 2008
- Semiconductor device including a semiconductor layer having a polycrystalline silicon film with selected atomic constituency107US 4,766,477 ACanon Kabushiki Kaisha · 1988