G01J 2001/4247
For testing lamps or other light sources
Official title: {for testing lamps or other light sources}
G01J2001/4247 (For testing lamps or other light sources) appears on 488 US grants and 571 published applications in this corpus.
Search patents in G01J- Granted patents
- 488
- Published applications
- 571
- Assignees
- 386
- Inventors
- 1,304
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 3 |
| 2003 | 5 | 7 |
| 2004 | 4 | 2 |
| 2005 | 2 | 11 |
| 2006 | 8 | 18 |
| 2007 | 7 | 6 |
| 2008 | 9 | 24 |
| 2009 | 17 | 18 |
| 2010 | 11 | 14 |
| 2011 | 13 | 12 |
| 2012 | 10 | 21 |
| 2013 | 15 | 32 |
| 2014 | 27 | 38 |
| 2015 | 26 | 38 |
| 2016 | 33 | 35 |
| 2017 | 26 | 39 |
| 2018 | 33 | 35 |
| 2019 | 46 | 35 |
| 2020 | 27 | 24 |
| 2021 | 29 | 35 |
| 2022 | 32 | 34 |
| 2023 | 23 | 24 |
| 2024 | 21 | 27 |
| 2025 | 27 | 25 |
| 2026 | 17 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time6 Oct 2026US 12,757,304 B2Lutron Technology Company LLC
- Laser illumination techniques for capillary electrophoresis29 Sep 2026US 12,748,072 B2Promega Corporation
- Method for operating an illuminating device, and motor vehicle28 Jul 2026US 12,691,815 B2Audi AG
- Optical device allowing the angular emission pattern of a light source of finite area to be rapidly measured9 Jun 2026US 12,650,335 B2Eldim, Inc.
- Display apparatus, inspection apparatus for the display apparatus, and control method of the inspection apparatus9 Jun 2026US 12,650,336 B2Samsung Electronics Co., Ltd.
- Apparatus and method for measuring far-field luminous intensity and color characteristics of light sources10 Sep 2026US 2026/0266656 A1Sapphire IP, Inc.
- Synchronized testing of light emitting diodes27 Aug 2026US 2026/0251497 A1Advantest Corporation
- Test apparatus, test method, and computer program product13 Aug 2026US 2026/0235437 A1Advantest Corporation
- Inspection system and display device30 Jul 2026US 2026/0221061 A1Sharp Display Technology Corporation
- Semiconductor testing structure23 Jul 2026US 2026/0210758 A1Ennostar Corporation
Most cited
By later US patents
- LED luminaire with light sensor configurations for optical feedback186US 6,741,351 B2Koninklijke Philips Electronics N. V. · 2004
- Controlling method and system for RGB based LED luminary168US 6,507,159 B2Koninklijke Philips Electronics N. V. · 2003
- Detection and classification of light sources using a diffraction grating139US 9,176,006 B2Mobileye Vision Technologies Ltd. · 2015
- Light and light sensor103US 8,324,817 B2iLumisys, Inc. · 2012
- Systems and methods for calibrating light output by light-emitting diodes94US 7,482,565 B2Philips Solid-State Lighting Solutions, Inc. · 2009