Ibaraki, Japan

Hirohisa Yamaguchi

This inventor holds 22 USPTO granted patents and 2 EPO patents, primarily in Ultra Wideband Technology. Top assignee: Texas Instruments Corporation. Active years: 1996-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohisa Yamaguchi. Retrieved from https://idiyas.com/inventor/hirohisa-yamaguchi-vk1133r8

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.3

ph-index = 12

Forward Citations = 467(Granted Patents)


Location History:

  • Tsukuba, JP (1998 - 2007)
  • Barak, JP (2009)
  • Ibaraki, JP (1996 - 2013)

Company Filing History:


Years Active: 1996-2013

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Areas of Expertise:
Ultra Wideband
Orthogonal Frequency Division Multiplexing
Digital Signal Processing
Interference Cancellation
Image Processing
Video Playback
Multi-path Equalization
Turbo-coupled Multiplexing
Graphic Equalizer
Noise Artifacts
DCT Image Compression
High-speed Viterbi Decoder
22 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Hirohisa Yamaguchi in Communication Technologies**

Introduction

Hirohisa Yamaguchi is an esteemed inventor based in Ibaraki, Japan, who has made significant contributions to the field of communication technologies. With an impressive portfolio of 22 patents, Yamaguchi has become a prominent figure in innovation, particularly through his work focused on interference cancellation techniques in wireless communications.

Latest Patents

Yamaguchi's most recent patents illustrate his expertise in advanced communication systems. One notable patent is for "Ultra wideband interference cancellation for orthogonal frequency division multiplex transmitters by protection-edge tones." This innovation introduces a transmitter and communication system that utilizes a first component to determine active interference cancellation values for multiple tones. It also optimizes these values while ensuring that the average power does not exceed a maximum level. Furthermore, it details a method for transmitting orthogonal frequency division multiplex signals based on these values, encompassing a comprehensive approach to enhancing wireless communication.

Career Highlights

Currently, Hirohisa Yamaguchi is employed at Texas Instruments Corporation, a renowned company recognized for its technological advancements. His work often revolves around the intersection of hardware and software solutions for communication systems. Over the years, Yamaguchi has distinguished himself as an innovator with a strong focus on enabling robust, efficient wireless communication technologies.

Collaborations

Throughout his career, Yamaguchi has collaborated with fellow professionals, including Jaiganesh Balakrishnan and Yoshito Higa. These partnerships have fostered a collaborative environment that has led to the development of pioneering solutions in the realm of interference cancellation and data transmission techniques.

Conclusion

Hirohisa Yamaguchi's contributions to communication technology through his myriad patents and collaborative efforts have established him as a leading inventor in this field. His work at Texas Instruments Corporation continues to push the boundaries of what is possible in wireless communication, paving the way for future innovations that will benefit industries and users alike.

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]
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