G01D 5/34723
Involving light-guides
Official title: {involving light-guides}
G01D5/34723 (Involving light-guides) appears on 102 US grants and 74 published applications in this corpus.
Search patents in G01D- Granted patents
- 102
- Published applications
- 74
- Assignees
- 76
- Inventors
- 218
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 7 |
| 2005 | 5 | 8 |
| 2006 | 10 | 2 |
| 2007 | 3 | 2 |
| 2008 | 1 | 5 |
| 2009 | 1 | 7 |
| 2010 | 3 | 3 |
| 2011 | 3 | 2 |
| 2012 | 3 | 3 |
| 2013 | 4 | 5 |
| 2014 | 5 | 2 |
| 2015 | 2 | 5 |
| 2016 | 3 | 1 |
| 2017 | 3 | 0 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 4 | 4 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical encoding system compensating assembly tolerance26 May 2026US 12,638,313 B2Pixart Imaging Inc.
- Medicament injection device26 Aug 2025US 12,397,118 B2Sanofi
- Medicament injection device15 Apr 2025US 12,274,867 B2Sanofi
- Optical encoding system compensating assembly tolerance2 Jul 2024US 12,025,476 B1Pixart Imaging Inc.
- Reflective coating for reflection means of an optical encoder and optical encoder thus produced16 Apr 2024US 11,959,782 B2
- Optical encoding system capable of compensating assembly tolerance3 Sep 2026US 2026/0259068 A1Pixart Imaging Inc.
- Medicament Injection Device20 Nov 2025US 2025/0352733 A1Sanofi
- Optical encoding system compensating assembly tolerance31 Oct 2024US 2024/0361158 A1Pixart Imaging Inc.
- Medicament Injection Device11 Apr 2024US 2024/0115810 A1Sanofi
- Reflective coating for reflection means of an optical encoder and optical encoder thus produced5 Oct 2023US 2023/0314186 A1Codechamp
Most cited
By later US patents
- Apparatus and method for sensing motion in a microelectro-mechanical system47US 5,990,473 ASandia Corporation · 1999
- Sensing device44US 6,172,745 B2Mars, Incorporated · 2001
- Fiber optic displacement sensor41US 5,808,730 ACeramOptec Industries, Inc. · 1998
- Sample detector40US 4,343,991 AOlympus Optical Co., Ltd. · 1982
- Digital display tape measure with photoelectric sensing of tape displacement36US 4,242,574 A1980