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For the Inventor, By the Inventor

Kanagawa, Japan

Seiji Akiyama

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Mitsubishi Chemical Corporation, Japan Technological Research Association of Artificial Photosynthetic Chemical Process, The University of Tokyo. Active years: 1994-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Akiyama. Retrieved from https://idiyas.com/inventor/seiji-akiyama

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 1


Location History:

  • Kanagawa, JP (1994 - 2022)
  • Chiyoda-ku, JP (2022)
  • Tokyo, JP (2024)

Company Filing History:

goldMedal5 out of 2,423 
 
Mitsubishi Chemical Corporation
 patents
silverMedal4 out of 19 
 
Japan Technological Research Association of Artificial Photosynthetic Chemical Process
 patents
bronzeMedal3 out of 1,356 
 
The University of Tokyo
 patents
4. 2 out of 1,765 
 
National Institute of Advanced Industrial Science and Technology
 patents
5. 1 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1994-2025

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6 patents (USPTO):Explore Patents
1. 12344945 - Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using same (2025-07-01),
2. 12049583 - Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element (2024-07-30),
3. 11424080 - Method of producing composite photocatalyst (2022-08-23),
4. 11248304 - Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using same (2022-02-15),
5. 10332690 - Method of producing composite photocatalyst and composite photocatalyst (2019-06-25),
6. H001343 - Direct positive silver halide emulsion and a color diffusion transfer (1994-08-01),

Title: The Innovative Mind of Seiji Akiyama

Introduction: Seiji Akiyama, a distinguished inventor hailing from Kanagawa, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Seiji Akiyama's recent patents showcase his expertise in developing cutting-edge solutions for various industries, ranging from electronics to healthcare.

Career Highlights: Throughout his illustrious career, Seiji Akiyama has consistently pushed the boundaries of innovation, earning multiple accolades for his revolutionary inventions that have transformed the way we live and work.

Collaborations: Seiji Akiyama has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge-sharing that has paved the way for future advancements in technology.

Conclusion: Seiji Akiyama's passion for innovation and his relentless pursuit of excellence continue to inspire generations of inventors and entrepreneurs, leaving an indelible mark on the world 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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