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For the Inventor, By the Inventor

Tokyo, Japan

Shigeo Maruyama

This inventor holds 7 USPTO granted patents and 7 published patent applications. Top assignees: The University of Tokyo, Denso Corporation, Aalto University. Active years: 2017-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Maruyama. Retrieved from https://idiyas.com/inventor/shigeo-maruyama

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

USPTO Granted Patents = 7 

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 1

Forward Citations = 36(Granted Patents)


Location History:

  • Bunkyo-ku, JP (2018)
  • Tokyo, JP (2017 - 2023)
  • Japan, JP (2023)

Company Filing History:

goldMedal7 out of 1,356 
 
The University of Tokyo
 patents
silverMedal4 out of 20,407 
 
Denso Corporation
 patents
bronzeMedal2 out of 37 
 
Aalto University
 patents
where one patent can have more than one assignee

Years Active: 2017-2023

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7 patents (USPTO):Explore Patents
1. 11854751 - Light-transmitting electrode having carbon nanotube film, solar cell, method for producing light-transmitting electrode having carbon nanotube film, and method for manufacturing solar cell (2023-12-26),
2. 11702340 - Single-walled carbon nanotube and structure having layer laminated on said single-walled carbon nanotube, and method for producing same (2023-07-18),
3. 11005046 - Carbon nanotube array, material, electronic device, process for producing carbon nanotube array, and process for producing field effect transistor (2021-05-11),
4. 10930442 - Light-transmitting electrode having carbon nanotube film, solar cell, method for producing light-transmitting electrode having carbon nanotube film, and method for manufacturing solar cell (2021-02-23),
5. 10155663 - Carbon nanotube freestanding membrane, process for production of the same, composites having carbon nanotube membranes and process for production thereof (2018-12-18),
6. 9944527 - Method for producing two-dimensionally patterned carbon nanotube and two-dimensionally patterned carbon nanotube (2018-04-17),
7. 9847181 - Film comprising single-layer carbon nanotubes and having dense portions and sparse portions, process for producing same, and material including said film and process for producing same (2017-12-19),

Title: Shigeo Maruyama: Innovator in Carbon Nanotube Technology

Introduction: Shigeo Maruyama, based in Tokyo, Japan, is a prominent inventor known for his significant contributions to the field of carbon nanotube technology. With an impressive portfolio of seven patents, Maruyama's innovations focus on enhancing the performance and efficiency of light-transmitting electrodes and solar cells.

Latest Patents: Among his latest inventions are a light-transmitting electrode that employs a carbon nanotube film and a novel method for producing this electrode. This innovation features high electrical conductivity and exceptional electron blocking performance. Additionally, he has developed a solar cell capable of achieving high energy conversion efficiency at a low cost. The production method he introduced includes vapor depositing a metal oxide film on the carbon nanotube film, which contains specific metals from groups 4, 5, or 6 of the periodic table. Another patent showcases a laminated structure that stabilizes the properties of a single-walled carbon nanotube by protecting its surface with various substances, thus enhancing its functionality.

Career Highlights: Maruyama has collaborated with esteemed institutions such as the University of Tokyo and Denso Corporation, where he has honed his expertise in material science and nanotechnology. His inventive approach and commitment to research have allowed him to make strides in the development of cutting-edge technologies.

Collaborations: Throughout his career, Maruyama has worked alongside notable researchers like Kehang Cui and Rong Xiang. Their collaborative efforts have contributed to a deeper understanding of carbon nanotube characteristics and applications, paving the way for future innovations in the field.

Conclusion: Shigeo Maruyama's contributions to the field of carbon nanotube technology highlight his role as a leading inventor in the industry. With a focus on enhancing solar energy efficiency and the development of innovative materials, Maruyama continues to inspire future generations of inventors and researchers. His work represents a significant step forward in the quest for sustainable energy solutions.

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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