C01B 33/00
Silicon
Official title: Silicon; Compounds thereof ({C01B6/00,} C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956)
C01B33/00 (Silicon) appears on 6,282 US grants and 6,688 published applications in this corpus.
Search patents in C01B- Granted patents
- 6,282
- Published applications
- 6,688
- Assignees
- 2,661
- Inventors
- 14,472
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 90 | 0 |
| 1977 | 72 | 0 |
| 1978 | 76 | 0 |
| 1979 | 61 | 0 |
| 1980 | 68 | 0 |
| 1981 | 80 | 0 |
| 1982 | 74 | 0 |
| 1983 | 76 | 0 |
| 1984 | 74 | 0 |
| 1985 | 88 | 0 |
| 1986 | 84 | 0 |
| 1987 | 85 | 0 |
| 1988 | 70 | 0 |
| 1989 | 107 | 0 |
| 1990 | 78 | 0 |
| 1991 | 89 | 0 |
| 1992 | 99 | 0 |
| 1993 | 94 | 0 |
| 1994 | 77 | 0 |
| 1995 | 68 | 0 |
| 1996 | 60 | 0 |
| 1997 | 59 | 0 |
| 1998 | 96 | 0 |
| 1999 | 88 | 0 |
| 2000 | 85 | 0 |
| 2001 | 83 | 27 |
| 2002 | 87 | 68 |
| 2003 | 63 | 122 |
| 2004 | 75 | 124 |
| 2005 | 63 | 110 |
| 2006 | 66 | 142 |
| 2007 | 60 | 152 |
| 2008 | 53 | 167 |
| 2009 | 89 | 237 |
| 2010 | 121 | 312 |
| 2011 | 149 | 306 |
| 2012 | 149 | 317 |
| 2013 | 191 | 286 |
| 2014 | 190 | 304 |
| 2015 | 226 | 277 |
| 2016 | 217 | 275 |
| 2017 | 225 | 300 |
| 2018 | 208 | 351 |
| 2019 | 271 | 340 |
| 2020 | 270 | 345 |
| 2021 | 237 | 360 |
| 2022 | 257 | 393 |
| 2023 | 246 | 346 |
| 2024 | 283 | 411 |
| 2025 | 244 | 382 |
| 2026 | 161 | 234 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anode material, preparation method thereof and lithium ion battery6 Oct 2026US 12,753,081 B2Btr New Material Group Co., Ltd.
- Process for manufacturing silicon-containing materials in a cascade reactor system6 Oct 2026US 12,753,495 B2Wacker Chemie AG
- Photosensitive composition for forming light blocking layer of organic light emitting device6 Oct 2026US 12,754,477 B2Duk San Neolux Co., Ltd.
- Method for manufacturing negative electrode active material6 Oct 2026US 12,755,965 B2Toyota Jidosha Kabushiki Kaisha
- Semiconductor assembly gap filler6 Oct 2026US 12,757,337 B2Micron Technology, Inc.
- Negative electrode active material, method of manufacturing the negative electrode active material, and negative electrode including the negative electrode active material8 Oct 2026US 2026/0307996 A1Samsung SDI.Co., Ltd.
- Method for producing planar microparticles and planar microparticles8 Oct 2026US 2026/0307999 A1Consejo Superior De Investigaciones Cientificas (Csic)
- Lime and hydraulic cement manufacture by electrolysis using hyaloclastite or lava, carbon mineralization by hyaloclastite or lava electrolysis and method of making and using same8 Oct 2026US 2026/0308006 A1Greencraft LLC
- Concrete recycling8 Oct 2026US 2026/0308059 A1
- Negative electrode active material, negative electrode including the same, and method for manufacturing the same8 Oct 2026US 2026/0312012 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Fluorescent silica-based nanoparticles1,448US 8,298,677 B2Cornell Research Foundation, Inc. · 2012
- High modulus, low dielectric constant coatings575US 6,576,300 B1Axcelis Technologies, Inc. · 2003
- Plasma curing of MSQ-based porous low-k film materials567US 6,759,098 B2Axcelis Technologies, Inc. · 2004
- Plasma curing process for porous silica thin film556US 6,558,755 B2Axcelis Technologies, Inc. · 2003
- Process for Polycrystalline film silicon growth529US 6,281,098 B1Midwest Research Institute · 2001