C01P 2004/22
With a polygonal circumferential shape
Official title: with a polygonal circumferential shape
C01P2004/22 (With a polygonal circumferential shape) appears on 158 US grants and 122 published applications in this corpus.
Search patents in C01P- Granted patents
- 158
- Published applications
- 122
- Assignees
- 120
- Inventors
- 438
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 4 |
| 2003 | 4 | 1 |
| 2004 | 2 | 5 |
| 2005 | 2 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 2 |
| 2009 | 4 | 4 |
| 2010 | 1 | 5 |
| 2011 | 0 | 5 |
| 2012 | 4 | 4 |
| 2013 | 3 | 0 |
| 2014 | 0 | 4 |
| 2015 | 4 | 4 |
| 2016 | 6 | 10 |
| 2017 | 6 | 11 |
| 2018 | 2 | 6 |
| 2019 | 12 | 7 |
| 2020 | 5 | 6 |
| 2021 | 3 | 7 |
| 2022 | 8 | 5 |
| 2023 | 8 | 10 |
| 2024 | 15 | 10 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plate-like alumina particle and method for manufacturing plate-like alumina particle17 Feb 2026US 12,552,715 B2DIC Corporation
- Cathode active material for lithium secondary battery, cathode including same, and lithium secondary battery including same17 Feb 2026US 12,555,784 B2Samsung SDI.Co., Ltd.
- Silicon carbide powder and method for manufacturing silicon carbide ingot using the same15 Jul 2025US 12,359,344 B2Senic Inc.
- Autoclave method for making ferric oxide25 Mar 2025US 12,257,570 B2King Fahd University of Petroleum and Minerals
- Planar inverted perovskite solar cell3 Dec 2024US 12,157,678 B1King Fahd University of Petroleum and Minerals
- Complex tungsten oxide particles, near-infrared ray absorbing particle dispersion liquid, and near-infrared ray absorbing particle dispersion product20 Aug 2026US 2026/0242239 A1Sumitomo Metal Mining Co., Ltd.
- Autoclave method for making ferric oxide12 Dec 2024US 2024/0408581 A1King Fahd University of Petroleum and Minerals
- SCM-38 molecular sieve, preparation method thereof, and use thereof12 Dec 2024US 2024/0409422 A1China Petroleum & Chemical Corporation
- Ferric oxide synthesis method14 Nov 2024US 2024/0375088 A1King Fahd University of Petroleum and Minerals
- Method for forming ferric oxide microparticles14 Nov 2024US 2024/0375089 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Process for preparing a nanocrystalline material99US 6,379,635 B2Imperial College of Science, Technology and Medicine · 2002
- Process for preparaing polyhedral .alpha.-alumina particles97US 5,523,074 ASumitomo Chemical Company, Limited · 1996
- Shape control method for nanoparticles for making better and new catalysts78US 6,090,858 AGeorgia Tech Reseach Corporation · 2000
- Method of making Group III nitrides77US 7,381,391 B2Cornell Research Foundation, Inc. · 2008
- Semiconducting oxide nanostructures61US 6,586,095 B2Georgia Tech Research Corporation · 2003