Fukuoka, Japan

Masaharu Tanaka

This inventor holds 26 USPTO granted patents and 3 EPO patents, primarily in High Frequency Switches. Top assignees: Asahi Glass Company, Limited, Matsushita Electric Industrial Co., Ltd., Dohkai Chemical Industry Co., Ltd.. Active years: 1988-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Tanaka. Retrieved from https://idiyas.com/inventor/masaharu-tanaka

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


% Patents Active = 61.5


Average Co-Inventor Count = 3.7

ph-index = 8

Forward Citations = 223(Granted Patents)


Location History:

  • Yokohama, JP (1994 - 1998)
  • Ichihara, JP (2002 - 2003)
  • Aichi-ken, JP (2004)
  • Chiba, JP (2002 - 2005)
  • Uji, JP (2003 - 2006)
  • Maebaru, JP (2004 - 2006)
  • Kitakyushu, JP (2000 - 2008)
  • Fukuoka, JP (2003 - 2009)
  • Kyoto, JP (1988 - 2011)

Company Filing History:


Years Active: 1988-2011

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Areas of Expertise:
High Frequency Switch
Radio Communication
Inkjet Recording
Inorganic Spheres
Mobile Communication
Image Recording Device
Sodium-Based Dechlorinating Agent
Blasting Medium
Silica Gel Production
Printed Board Manufacturing
Adaptive Compression Coding
Tobacco Production
26 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masaharu Tanaka

Introduction: Masaharu Tanaka, an esteemed inventor based in Fukuoka, Japan, holds an impressive portfolio of 26 patents. His work spans a variety of fields, particularly focusing on high-frequency technology and innovative production methods. Tanaka’s inventions demonstrate a profound impact on advancements in electronics and materials science.

Latest Patents: Among Tanaka's latest patents are significant contributions like the "High Frequency Switch," which addresses the issue of high-frequency distortion in conventional mobile phone switches. This invention introduces a switch circuit designed to mitigate distortion through a combination of a diode and a low-pass filter.

Another noteworthy patent is related to a "Process and Apparatus for Producing Inorganic Spheres." This innovative process involves injecting an aqueous liquid with inorganic compounds into a laminar flow of organic liquid, creating a W/O type emulsion. By employing a specially treated metal partition wall, Tanaka has developed a method to solidify these inorganic compounds efficiently.

Career Highlights: Tanaka’s career has been marked by pivotal roles in reputable companies such as Asahi Glass Company and Matsushita Electric Industrial Co., Ltd. His tenure at these firms has equipped him with a unique blend of practical experience and technical expertise, significantly contributing to his inventive capabilities.

Collaborations: Throughout his career, Tanaka has collaborated with notable professionals like Hachiro Hirano and Toru Yamada. These partnerships have fostered a creative environment, leading to remarkable innovations and developments in their respective fields.

Conclusion: Masaharu Tanaka's contributions to technology through his 26 patents are a testament to his innovative spirit and dedication to advancing the fields of high-frequency electronics and materials production. His work continues to inspire future inventors and shape the future of technology.

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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