G01D 5/34707
Scales
Official title: {Scales; Discs, e.g. fixation, fabrication, compensation}
G01D5/34707 (Scales) appears on 1,032 US grants and 952 published applications in this corpus.
Search patents in G01D- Granted patents
- 1,032
- Published applications
- 952
- Assignees
- 383
- Inventors
- 1,598
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 19 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 16 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 13 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 18 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 11 | 4 |
| 2002 | 16 | 23 |
| 2003 | 30 | 20 |
| 2004 | 19 | 49 |
| 2005 | 37 | 60 |
| 2006 | 45 | 43 |
| 2007 | 44 | 49 |
| 2008 | 42 | 36 |
| 2009 | 28 | 32 |
| 2010 | 25 | 38 |
| 2011 | 20 | 23 |
| 2012 | 18 | 34 |
| 2013 | 33 | 52 |
| 2014 | 38 | 35 |
| 2015 | 37 | 59 |
| 2016 | 37 | 41 |
| 2017 | 42 | 41 |
| 2018 | 39 | 51 |
| 2019 | 60 | 42 |
| 2020 | 38 | 41 |
| 2021 | 42 | 37 |
| 2022 | 29 | 22 |
| 2023 | 33 | 32 |
| 2024 | 30 | 31 |
| 2025 | 17 | 26 |
| 2026 | 15 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Rotational speed estimation method for incremental encoder29 Sep 2026US 12,748,125 B2Artery Technology Co., Ltd.
- Optical encoder with comparator hysteresis changed with rotating speed and operating method thereof1 Sep 2026US 12,724,035 B2Pixart Imaging Inc.
- Encoder, servo motor, and servo system25 Aug 2026US 12,716,755 B2Kabushiki Kaisha Yaskawa Denki
- Optical module for encoder and reflection-type encoder21 Jul 2026US 12,687,413 B2Hamamatsu Photonics K.K.
- Printing apparatus, control method, and storage medium8 Oct 2026US 2026/0307406 A1Canon Kabushiki Kaisha
- Optical module for encoder and reflection-type encoder8 Oct 2026US 2026/0309518 A1Hamamatsu Photonics K.K.
- Conveyance apparatus1 Oct 2026US 2026/0299489 A1Canon Kabushiki Kaisha
- Optical encoder capable of supporting large off-axis mounting, remote installation, and high installation flexibility24 Sep 2026US 2026/0287402 A1Pixart Imaging Inc.
- Absolute encoder10 Sep 2026US 2026/0266630 A1
Most cited
By later US patents
- Centrifugation pheresis system202US 4,834,890 ABaxter International Inc. · 1989
- Code wheel for a reflective type optical rotary encoder125US 4,806,751 AAlps Electric Co., Ltd. · 1989
- Encoder utilizing a reflective cylindrical surface113US 7,265,336 B2Avago Technologies ECBU IP (Singapore) Pte. Ltd. · 2007
- Code wheel for reflective optical rotary encoders112US 4,644,156 AAlps Electric Co., Ltd. · 1987
- Reflective encoder with three-dimensional code carrier112US 7,358,481 B2Avago General IP Pte Ltd · 2008