G02B 26/008
In the form of devices for effecting sequential colour changes
Official title: {in the form of devices for effecting sequential colour changes, e.g. colour wheels}
G02B26/008 (In the form of devices for effecting sequential colour changes) appears on 1,089 US grants and 1,307 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,089
- Published applications
- 1,307
- Assignees
- 316
- Inventors
- 1,586
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 12 |
| 2003 | 12 | 22 |
| 2004 | 18 | 28 |
| 2005 | 21 | 43 |
| 2006 | 28 | 54 |
| 2007 | 28 | 35 |
| 2008 | 18 | 28 |
| 2009 | 13 | 32 |
| 2010 | 16 | 17 |
| 2011 | 19 | 16 |
| 2012 | 12 | 30 |
| 2013 | 19 | 37 |
| 2014 | 26 | 51 |
| 2015 | 31 | 61 |
| 2016 | 59 | 86 |
| 2017 | 74 | 100 |
| 2018 | 89 | 90 |
| 2019 | 103 | 101 |
| 2020 | 92 | 92 |
| 2021 | 74 | 95 |
| 2022 | 80 | 103 |
| 2023 | 87 | 69 |
| 2024 | 62 | 47 |
| 2025 | 32 | 33 |
| 2026 | 25 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phosphor unit, light source device, and projector29 Sep 2026US 12,748,302 B2Seiko Epson Corporation
- System and method for generating a single light beam from a plurality of light sources29 Sep 2026US 12,748,315 B2Advanced Entertainment Technologies, Inc.
- Color wheel module and projection device15 Sep 2026US 12,736,864 B2Coretronic Corporation
- Wavelength conversion device, light source device, and projector1 Sep 2026US 12,724,337 B2Seiko Epson Corporation
- Apparatus and method for high-efficiently tuning the wavelength of light using collimating module including an axicon lens25 Aug 2026US 12,716,571 B2iiSM Inc.
- Adaptive appearance8 Oct 2026US 2026/0309976 A1KA Dynamic Color Ltd.
- Optical device and projection device17 Sep 2026US 2026/0277087 A1Coretronic Corporation
- Laser-phosphor engine with rotating converter20 Aug 2026US 2026/0243398 A1Signify Holding B. V.
- Filter switching device for an endoscopic camera head23 Jul 2026US 2026/0211227 A1KARL STORZ GmbH&Co.KG
- Light source device, control method, and computer-readable recording medium9 Jul 2026US 2026/0194742 A1Olympus Medical Systems Corp.
Most cited
By later US patents
- Blood glucose monitoring system1,824US 5,743,262 AMasimo Corporation · 1998
- Blood glucose monitoring system953US 6,110,522 AMasimo Laboratories, Inc. · 2000
- Color permuting light projector202US 7,543,943 B1Hewlett-Packard Development Company, L. P. · 2009
- Monolithic color wheel152US 5,371,543 ATexas Instruments Incorporated · 1994
- Method and system for accentuating intense white display areas in sequential DMD video systems133US 5,592,188 ATexas Instruments Incorporated · 1997