Jiann-Ching Guey

This inventor holds 123 USPTO granted patents and 51 published patent applications and 29 EPO patents, primarily in Channel State Information (CPC class H04L5-0023). Top assignees: Telefonaktiebolaget Lm Ericsson (Publ), Mediatek Corporation, Mediatek Singapore Pte. Ltd.. Active years: 2000-2026.

USPTO Granted Patents = 123 (Patent Applications = 51)

% Patents Active = 89.4

EPO Patents = 29 (Patent Applications = 57)

Average Co-Inventor Count = 2.4

ph-index = 12

Forward Citations = 586(Granted Patents)

Forward Citations (Not Self Cited) = 548(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Durham, NC (US) (2000 - 2002)
Apex, NC (US) (2003 - 2007)
Fremont, NC (US) (2013)
Cary, NC (US) (2008 - 2014)
Chutung, TW (2015)
Fremont, CA (US) (2012 - 2017)
Hsinchu City, TW (2023)
Hsinchu, TW (2015 - 2024)

Company Filing History:

53 out of 26,941

Telefonaktiebolaget Lm Ericsson (Publ)

Mediatek Singapore Pte. Ltd.

Industrial Technology Research Institute

patents

Years Active: 2000-2026

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Areas of Expertise:

Channel State Information

MIMO Precoding

Mobile Communications

Synchronization Techniques

Beam Management

PDCCH Transmission

Unlicensed Spectrum

Signal Design

Interference Cancellation

Multi-Beam Operation

Transmission Sessions

Reference Signal

123 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12683664 - Method and apparatus for MIMO CSI feedback (2026-07-14),

2. 12581341 - Apparatus and method for assistance information transmission and CSI reporting (2026-03-17),

3. 12563583 - Channel state information reference signal configuration for high velocity (2026-02-24),

4. 12562797 - CSI compression based on multi-dimensional MIMO RF signature (2026-02-24),

5. 12513705 - Default beam assumption for multi-PDSCH scheduling (2025-12-30),

6. 12500629 - Method and apparatus for tiered channel state information feedback in mobile communications (2025-12-16),

7. 12489502 - Method and user equipment for determining precoder of MIMO system (2025-12-02),

8. 12476680 - High spatial resolution MIMO precoding for uplink communication (2025-11-18),

9. 12395217 - Method for FR1 FDD channel state information (2025-08-19),

10. 12328696 - Time and frequency synchronization (2025-06-10),

11. 12328154 - Techniques for channel state information (CSI) pre-processing (2025-06-10),

12. 12267710 - Method for configuring channel state information computation period for high mobility (2025-04-01),

13. 12185312 - PDSCH grouping transmission and associated HARQ-ACK codebook construction for multi-PDSCH scheduling (2024-12-31),

14. 12177162 - Partial sounding method for sounding reference signal in mobile communications (2024-12-24),

15. 12149475 - Method for channel state information measurement and computation for high mobility (2024-11-19),

Title: Jiann-Ching Guey: Trailblazing Inventor in the World of Technology

Introduction:

Jiann-Ching Guey, a renowned inventor from Hsinchu, TW, has left an indelible mark on the world of technology through his relentless pursuit of innovation. With a staggering 105 patents to his name, Guey's groundbreaking contributions have inspired generations of inventors and innovators.

Latest Patents:

1. BWP operation in NR-based unlicensed spectrum: Guey's patent involves a method, a computer-readable medium, and an apparatus for UE operation in unlicensed carrier spectrum, displaying his expertise in cutting-edge technology.

2. Enhanced PUCCH format 0 and format 1 design for new radio unlicensed spectrum operation: This patent showcases Guey's proficiency in designing novel approaches for PUCCH transmission in NR-U, highlighting his innovative mindset.

Career Highlights:

Guey has made significant strides in his career, working with prestigious companies such as Ericsson and Mediatek Corporation. His innovative spirit and dedication to technological advancements have positioned him as a trailblazer in the industry.

Collaborations:

Throughout his career, Guey has collaborated with esteemed professionals such as Chia-Hao Yu and Ming-Po Chang. These collaborations have not only enriched his projects but have also fostered a culture of innovation and knowledge-sharing.

Conclusion:

Jiann-Ching Guey's exemplary journey as an inventor underscores his commitment to pushing the boundaries of technology. His numerous patents, illustrious career, and collaborations with industry experts solidify his position as a trailblazer, inspiring future generations to strive for innovation and excellence.