Tokyo, Japan

Masaaki Togashi

This inventor holds 131 USPTO granted patents and 4 published patent applications and 2 EPO patents, primarily in Multilayer Capacitors (CPC class H01G4-228). Top assignees: Tdk Corporation, Tdi Corporation. Active years: 2001-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Togashi. Retrieved from https://idiyas.com/inventor/masaaki-togashi

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

Calculating rank
USPTO Granted Patents = 131 

% Patents Active = 90.8


Average Co-Inventor Count = 1.4

ph-index = 18

Forward Citations = 1,238(Granted Patents)

Forward Citations (Not Self Cited) = 1,087(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yuri-gun, JP (2005 - 2006)
  • Akita-ken, JP (2002 - 2007)
  • Chuo-ku, JP (2006 - 2009)
  • Tokyo, JP (2001 - 2015)
  • Nikaho, JP (2006 - 2015)

Company Filing History:


Years Active: 2001-2015

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Areas of Expertise:
Multilayer Capacitor
Feedthrough Capacitor
Capacitance Components
Manufacturing Method
Electronic Component
Mounting Structure
Impedance Measuring
Capacitor Array
Laminated Insulator
131 patents (USPTO):Explore Patents

Title: Masaaki Togashi: Innovating Multilayer Capacitors and Manufacturing Methods

Introduction:

Masaaki Togashi, a Tokyo-based inventor, has made significant contributions to the field of electronics with his expertise in multilayer capacitors and their manufacturing methods. With a commendable repertoire of patents and a career spanning several notable companies, Togashi's work has advanced the efficiency and performance of capacitors in various technological applications.

Latest Patents:

Togashi's recent patents demonstrate his focus on improving the performance and reliability of multilayer capacitors. One notable invention is the "Multilayer Capacitor and Method of Manufacturing Same." This patent presents a novel approach to prevent insulation failures by utilizing burned layers to cover a part of dummy electrodes. By doing so, the infiltration of plating solution onto the inner electrodes is minimized, ensuring better insulation and preventing cracks in the burned layers.

Another valuable patent is the "Multilayer Capacitor and Method for Manufacturing the Same." Here, Togashi introduced a strategy to enhance the capacitor's structure by creating a first dielectric layered product thicker than a second dielectric layered product. By extending the external electrodes to specific principal and lateral faces, improved electrical performance and robustness are achieved.

Career Highlights:

Throughout his career, Togashi has been associated with prominent companies in the electronics industry. One of his notable positions was at TDK Corporation, a global leader in electronic components. There, he contributed to research and development projects, focusing on innovations in capacitors and other electronic devices. TDK Corporation has always been recognized for its commitment to technological advancements, making it an ideal environment for Togashi's expertise.

Togashi was also associated with TDI Corporation, where he continued his research in the field of multilayer capacitors. TDI Corporation, known for its cutting-edge electronic solutions, provided an excellent platform for Togashi to further refine his skills and contribute to the company's technological advancements.

Collaborations:

Togashi has had the privilege of collaborating with talented individuals in the industry, including Taisuke Ahiko and Takashi Aoki. Such collaborations fostered an environment of innovation, allowing for the exchange of ideas and expertise that accelerated the development and commercialization of groundbreaking products.

Conclusion:

Masaaki Togashi's dedication to improving multilayer capacitors and their manufacturing techniques has undoubtedly propelled the field of electronics forward. His patents showcase his ingenuity and problem-solving skills, addressing crucial challenges in insulation, crack prevention, and overall capacitor performance. With his contributions and collaborations with renowned companies, Togashi has undoubtedly left a lasting impact in the world of electronic innovations.

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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