H04B 10/524
Pulse modulation
H04B10/524 (Pulse modulation) appears on 317 US grants and 319 published applications in this corpus.
Search patents in H04B- Granted patents
- 317
- Published applications
- 319
- Assignees
- 195
- Inventors
- 700
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 3 |
| 2003 | 3 | 4 |
| 2004 | 1 | 4 |
| 2005 | 0 | 2 |
| 2006 | 6 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 5 | 0 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 4 |
| 2013 | 4 | 1 |
| 2014 | 7 | 7 |
| 2015 | 5 | 7 |
| 2016 | 5 | 12 |
| 2017 | 17 | 25 |
| 2018 | 32 | 25 |
| 2019 | 24 | 34 |
| 2020 | 32 | 27 |
| 2021 | 27 | 33 |
| 2022 | 26 | 35 |
| 2023 | 33 | 32 |
| 2024 | 34 | 26 |
| 2025 | 18 | 20 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical wireless transmission system, transmission device, and optical wireless transmission method6 Oct 2026US 12,756,463 B2NEC Corporation
- Composition and method for making picocrystalline artificial borane atoms6 Oct 2026US 12,757,646 B2SemiNuclear, Inc.
- Method and apparatus to increase optic line capacity15 Sep 2026US 12,739,034 B2Nokia Solutions and Networks Oy
- Digital pulse-position noise shift keying to communicate information8 Sep 2026US 12,732,401 B2The Boeing Company
- Laser based white light system configured for communication16 Jun 2026US 12,659,034 B2KYOCERA SLD Laser, Inc.
- Optical module with parameter table20 Aug 2026US 2026/0246537 A1Cisco Technology, Inc.
- Optical interconnects using differential electro-optical components6 Aug 2026US 2026/0230191 A1Mellanox Technologies, Ltd.
- Interferometric pam modulation6 Aug 2026US 2026/0230368 A1MACOM Technology Solutions Holdings, Inc.
- Coherent electrical serdes in the thz range9 Jul 2026US 2026/0197085 A1Attotude, Inc.
- Optical communication method and communication apparatus14 May 2026US 2026/0135619 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Synchronous, asynchronous, data rate transparent fiber optic communications link135US 4,713,841 AITT Electro Optical Products, A Division of ITT Corporation · 1987
- Synchronous, asynchronous, and data rate transparent fiber optic communications link93US 4,694,504 AITT Electro Optical Products, A Division of ITT Corporation · 1987
- PCM signal coding77US 5,062,152 ABritish Telecommunications Public Ltd.Co. · 1991
- Communication system and apparatus using chip signals60US 5,113,278 ACanon Kabushiki Kaisha · 1992
- Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subsequence-based encoder55US 6,445,476 B1StrataLight Communications, Inc. · 2002