Hisakatsu Yamaguchi

This inventor holds 28 USPTO granted patents, primarily in Data Transmission Systems. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited. Active years: 2008-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisakatsu Yamaguchi. Retrieved from https://idiyas.com/inventor/hisakatsu-yamaguchi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 28

% Patents Active = 39.3

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 87(Granted Patents)

Company Filing History:

Fujitsu Semiconductor Limited

patents

where one patent can have more than one assignee

Years Active: 2008-2025

Loading Chart...

Areas of Expertise:

Optical Module

Jitter Measurement

Clock Phase Interpolator

Data Transmission

Adaptive Equalizer

Clock Recovery

Frequency Control

Timing Adjustment

Data Receiver

Signal Processing

Transmission Circuit

Parameter Setting

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12244353 - Optical module switch device (2025-03-04),

2. 10778382 - Parameter setting transmission and reception system and parameter setting method (2020-09-15),

3. 10718811 - Jitter measurement circuit and jitter measurement system (2020-07-21),

4. 10623172 - Control signal transmission and reception system and control signal transmission and reception method (2020-04-14),

5. 9608640 - Receiving circuit and method for controlling frequency (2017-03-28),

6. 9154291 - Differential signal skew adjustment method and transmission circuit (2015-10-06),

7. 9088405 - Clock phase interpolator, data transmission and reception circuit, and method of clock phase interpolation (2015-07-21),

8. 8638843 - Receiving device and receiving method (2014-01-28),

9. 8588340 - Receiving device (2013-11-19),

10. 8462905 - Receiver circuit (2013-06-11),

11. 8325864 - Receiver circuit (2012-12-04),

12. 8270462 - Adaptive equalizer circuit (2012-09-18),

13. 8204153 - Clock recovery circuit and data receiving circuit (2012-06-19),

14. 8065553 - Phase interpolator for a timing signal generating circuit (2011-11-22),

15. 7982638 - Data transmission circuit and data communication system (2011-07-19),

Title: The Innovative Journey of Hisakatsu Yamaguchi

Introduction: Hisakatsu Yamaguchi, a pioneering inventor hailing from Kawasaki, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Hisakatsu Yamaguchi's most recent patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological possibilities.

Career Highlights: With a career spanning over two decades, Yamaguchi has established himself as a leading figure in the field of robotics, with several of his inventions being recognized for their transformative impact on various industries.

Collaborations: Throughout his career, Hisakatsu Yamaguchi has collaborated with top research institutions and tech companies to further develop and implement his innovative ideas, solidifying his reputation as a visionary inventor.

Conclusion: Hisakatsu Yamaguchi's relentless pursuit of innovation and his passion for creating technology that shapes the future continue to inspire generations of inventors and enthusiasts worldwide.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]