C04B 2235/9646
Optical properties
C04B2235/9646 (Optical properties) appears on 889 US grants and 1,254 published applications in this corpus.
Search patents in C04B- Granted patents
- 889
- Published applications
- 1,254
- Assignees
- 441
- Inventors
- 2,105
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 5 |
| 2003 | 8 | 17 |
| 2004 | 8 | 25 |
| 2005 | 9 | 29 |
| 2006 | 13 | 36 |
| 2007 | 12 | 43 |
| 2008 | 20 | 48 |
| 2009 | 38 | 49 |
| 2010 | 35 | 75 |
| 2011 | 50 | 63 |
| 2012 | 50 | 60 |
| 2013 | 31 | 49 |
| 2014 | 47 | 44 |
| 2015 | 36 | 45 |
| 2016 | 42 | 46 |
| 2017 | 41 | 60 |
| 2018 | 38 | 47 |
| 2019 | 41 | 78 |
| 2020 | 47 | 65 |
| 2021 | 56 | 63 |
| 2022 | 46 | 78 |
| 2023 | 47 | 62 |
| 2024 | 49 | 79 |
| 2025 | 50 | 54 |
| 2026 | 38 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Paramagnetic garnet-based transparent ceramic and method for producing same6 Oct 2026US 12,755,877 B2Shin-Etsu Chemical Co., Ltd.
- Synthetic mineral composition, a method of forming a synthetic mineral composition and uses of a synthetic mineral composition15 Sep 2026US 12,735,360 B2Sibelco Nederland N.V.
- Zirconia composition, pre-sintered body and sintered body, and method of producing the same15 Sep 2026US 12,735,362 B2Kuraray Noritake Dental Inc.
- Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate25 Aug 2026US 12,714,651 B2Kuraray Noritake Dental Inc.
- Fabrication of polychromatic/polytranslucent zirconia block from pre-shaded ZrO2 block by infiltration11 Aug 2026US 12,703,669 B2James R. Glidewell Dental Ceramics, Inc.
- Expanded clay aggregate and method of preparing the same10 Sep 2026US 2026/0265134 A1Wuhan University of Technology
- Colourable translucent white ceramic compound based on a frit comprising calcium and sodium27 Aug 2026US 2026/0250203 A1TheSize Surfaces, S.L.
- Zirconia composite sintered body and method for producing same20 Aug 2026US 2026/0242293 A1Kuraray Noritake Dental Inc.
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
- Manufacturing line, process, and sintered article20 Aug 2026US 2026/0243510 A1Corning Incorporated
Most cited
By later US patents
- Transparent aluminum oxynitride-based ceramic article335US 5,231,062 AMinnesota Mining and Manufacturing Company · 1993
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Dental restorations using nanocrystalline materials and methods of manufacture123US 7,655,586 B1Pentron Ceramics, Inc. · 2010
- Non-frangible alumina-silica fibers117US 4,047,965 AMinnesota Mining and Manufacturing Company · 1977
- Illumination unit having at least one LED as light source105US 6,670,748 B2Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 2003