G01D 5/24438
Special design of the sensing element or scale
Official title: {Special design of the sensing element or scale}
G01D5/24438 (Special design of the sensing element or scale) appears on 191 US grants and 209 published applications in this corpus.
Search patents in G01D- Granted patents
- 191
- Published applications
- 209
- Assignees
- 99
- Inventors
- 347
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 6 |
| 2007 | 5 | 4 |
| 2008 | 8 | 5 |
| 2009 | 2 | 5 |
| 2010 | 6 | 6 |
| 2011 | 2 | 4 |
| 2012 | 3 | 9 |
| 2013 | 5 | 7 |
| 2014 | 6 | 8 |
| 2015 | 6 | 10 |
| 2016 | 9 | 7 |
| 2017 | 10 | 12 |
| 2018 | 10 | 10 |
| 2019 | 13 | 22 |
| 2020 | 13 | 16 |
| 2021 | 15 | 17 |
| 2022 | 15 | 15 |
| 2023 | 16 | 17 |
| 2024 | 12 | 8 |
| 2025 | 13 | 10 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reflection-type optical encoder scale including an inorganic layer stack pattern with specific reflectance6 Oct 2026US 12,754,044 B2Dai Nippon Printing Co.Ltd.
- Displacement measuring apparatus9 Jun 2026US 12,650,290 B2Mitutoyo Corporation
- Position sensor with master and nonius tracks26 May 2026US 12,638,316 B2Melexis Technologies SA
- Motor, and motor-driven steering apparatus having same17 Feb 2026US 12,556,071 B2LG Innotek Co., Ltd.
- Sensing device11 Nov 2025US 12,467,770 B2LG Innotek Co., Ltd.
- Magnetic encoder7 May 2026US 2026/0126306 A1Mitsubishi Electric Corporation
- Rotary encoder25 Dec 2025US 2025/0389554 A1Renishaw PLC
- Optical encoding system with reduced total harmonic distortion by slanting slits or photodiodes27 Nov 2025US 2025/0362124 A1Pixart Imaging Inc.
- System for determining rotational information of a member4 Sep 2025US 2025/0277683 A1Ntn Europe
- Magnetic detection device, magnetic detection module, magnetic detection system, gear driving detection device, motor driving detection device, and encoder14 Aug 2025US 2025/0258017 A1TDK Corporation
Most cited
By later US patents
- Optical encoder using sufficient inactive photodetectors to make leakage current equal throughout136US 4,904,861 AHewlett-Packard Company · 1990
- Absolute encoder utilizing light of different wavelengths to reduce cross-talk92US 7,465,917 B2Avago Technologies General IP (Singapore) Pte. Ltd. · 2008
- System and method of magnetically sensing position of a moving component69US 7,259,553 B2SRI International · 2007
- Optical encoder with inactive photodetectors68US 4,998,013 AHewlett-Packard Company · 1991
- Method and apparatus for correcting position errors using writable encoders49US 4,950,890 ACreo Electronics Corporation · 1990