Kanagawa, Japan

Makoto Tanahashi

This inventor holds 24 USPTO granted patents and 3 published patent applications, primarily in Wireless Communication. Top assignees: Sony Corporation, Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation. Active years: 1980-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Tanahashi. Retrieved from https://idiyas.com/inventor/makoto-tanahashi

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

USPTO Granted Patents = 24 

% Patents Active = 83.3

Average Co-Inventor Count = 2.0

ph-index = 11

Forward Citations = 257(Granted Patents)


Location History:

  • Kanagawa, JP (1995 - 2012)
  • Yokohama Kanagawa, JP (2016)
  • Yokohama, JP (1980 - 2019)
  • Shinagawa Tokyo, JP (2019)
  • Tokyo, JP (1994 - 2020)

Company Filing History:


Years Active: 1980-2020

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Areas of Expertise:
Transmission Device
Reception Device
Wireless Communication Apparatus
Signal Processing Device
Integrated Circuit
Distortion Compensation
Display Unit
Electronic Device
Heat Dissipation
Printer Device
Coordinate Input Device
Color Printer
24 patents (USPTO):Explore Patents

Title: Innovations of Makoto Tanahashi: A Pioneer in Signal Processing Technology

Introduction: Makoto Tanahashi, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of technology, particularly in the area of signal processing. With a remarkable portfolio of 24 patents, Tanahashi has established himself as a leading innovator in developing advanced transmission and reception devices.

Latest Patents: Among his latest innovations are a transmission device and a signal processing device. The transmission device includes an insertion unit, allocation unit, division unit, IFFT unit, phase rotation unit, and transmission unit. The phase rotation unit is designed to perform a phase rotation that reduces the Peak-to-Average Power Ratio (PAPR) characteristic for each block after applying the inverse fast Fourier transform. Furthermore, it combines signals with phase rotations and sends the integrated transmission signal to external devices. Additionally, his signal processing device effectively reduces peak power without interfering with the high-speed transmission signal. It features a peak-reduced signal generating device that divides signals into streams and generates peak-reduced signals, as well as a band pass filter that allows specific frequency components to pass while rejecting others.

Career Highlights: Throughout his career, Makoto Tanahashi has worked with renowned companies, including Sony Corporation and Kabushiki Kaisha Toshiba. His experience with these organizations has played a pivotal role in shaping his innovative approaches to signal processing and transmission technologies.

Collaborations: Tanahashi’s work has also seen collaborations with notable professionals in the industry, including Tsutomu Asawa and Yoshimasa Egashira. These partnerships have further enriched his patent portfolio and fostered collaborative advancements in technology.

Conclusion: Makoto Tanahashi exemplifies the spirit of innovation through his extensive contribution to signal processing technology. With a strong foundation built on collaboration and experience with top industry players, his inventions are paving the way for advancements in transmission devices, making significant impacts in the tech landscape. His work continues to inspire future inventors and technologists seeking to push the boundaries of what is possible.

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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