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Dayou Qian

This inventor holds 38 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Optical Networking. Top assignees: Nec Laboratories America, Inc., Nec Corporation. Active years: 2011-2016.

USPTO Granted Patents = 38 (Patent Applications = 2)

% Patents Active = 92.1

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 159(Granted Patents)

Location History:

Cranbury, NJ (US) (2011 - 2012)
Cupertino, CA (US) (2013)
Plainsboro, NJ (US) (2011 - 2014)
Warren, NJ (US) (2014)
Princeton, NJ (US) (2012 - 2016)

Company Filing History:

38 out of 718

Nec Laboratories America, Inc.

where one patent can have more than one assignee

Years Active: 2011-2016

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Areas of Expertise:

Optical Networking

QPSK Transmitter

Orthogonal Frequency Division Multiplexing

Traffic Grooming

Digital Signal Processing

Polarization Multiplexing

Fiber Nonlinearity Compensation

Phase Noise Mitigation

High-Speed Modulation

Optical Access Network

Microwave Low-Pass Filtering

Energy Efficient Transceiver

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9270379 - Optical nyquist superchannel generation using microwave low-pass filtering and optical equalization (2016-02-23),

2. 9252911 - Flexible remote node (RN) for dynamic traffic allocation in passive optical networking (PON) and mobile backhaul (MBH) applications (2016-02-02),

3. 9184854 - Inter-band cross-phase modulation compensation for the mitigation of intra-channel nonlinear impairments in optical fiber transmission (2015-11-10),

4. 9124326 - Look-up table based digital filter array using digital transmitter (2015-09-01),

5. 9014568 - Next generation optical access network with centralized digital OLT (2015-04-21),

6. 8953939 - Variable bit-rate QPSK transmitter and method employing polarization manipulation (2015-02-10),

7. 8923457 - Method and system for pilot-based time domain phase noise mitigation for coherent receiver (2014-12-30),

8. 8873970 - Generating a 400-Gbit/s single-channel optical signal (2014-10-28),

9. 8798480 - High-speed optical 8-QAM modulation by cascading dual-drive mach-zehnder modulator with I/Q modulator (2014-08-05),

10. 8787762 - Optical-layer traffic grooming at an OFDM subcarrier level with photodetection conversion of an input optical OFDM to an electrical signal (2014-07-22),

11. 8781326 - Energy efficient OFDM transceiver (2014-07-15),

12. 8761612 - 16 quadrature amplitude modulation optical signal transmitter (2014-06-24),

13. 8725006 - Digital signal-to-signal beat noise reduction for filter-less coherent receiving system (2014-05-13),

14. 8724998 - Carrier and subcarrier hopping for optical OFDM security (2014-05-13),

15. 8718490 - Coherent optical orthogonal frequency division multiplexing (OFDM) reception using self optical carrier extraction (2014-05-06),

Title: The Innovative Contributions of Dayou Qian

Introduction: Dayou Qian is a prominent inventor based in Princeton, NJ, who has made significant contributions to the field of optical communication. With an impressive portfolio of 38 patents, Qian has established himself as a key figure in advancing technologies that impact various industries.

Latest Patents: Among Qian's recent innovations are two noteworthy patents. The first, titled "Optical Nyquist Superchannel Generation Using Microwave Low-Pass Filtering and Optical Equalization," discloses structures and methods for generating a Nyquist superchannel, enabling more efficient data transmission. The second patent, "Flexible Remote Node for Dynamic Traffic Allocation in Passive Optical Networking and Mobile Backhaul Applications," outlines a computer-implemented method for dynamically allocating traffic in passive optical communication systems. This method enhances the efficiency of network management by providing flexible wavelength routing capabilities.

Career Highlights: Dayou Qian has had a distinguished career, working for reputable organizations such as NEC Laboratories America, Inc. and NEC Corporation. His innovative spirit and technical expertise have allowed him to spearhead projects that improve optical networking and communications technology.

Collaborations: Throughout his career, Qian has collaborated with notable colleagues, including Ting Wang and Junqiang Nochur Hu, fostering an environment of innovation and shared knowledge. These partnerships have undoubtedly contributed to his successful patent portfolio and the advancement of optical technologies.

Conclusion: Dayou Qian stands out as a leading inventor with a remarkable track record in the realm of optical communications. His significant contributions and ongoing dedication to innovation continue to impact the technology landscape, making him a notable figure in his field.

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