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For the Inventor, By the Inventor

Tokyo, Japan

Masaharu Ito

This inventor holds 52 USPTO granted patents and 16 published patent applications and 12 EPO patents, primarily in Conductive Sheet Technology. Top assignees: Lintec Corporation, Nec Corporation, Lintec of America, Inc.. Active years: 1977-2026.

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

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

Calculating rank
USPTO Granted Patents = 52 

% Patents Active = 78.8

 

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 505(Granted Patents)

Forward Citations (Not Self Cited) = 496(Dec 10, 2025)


Location History:

  • Tokyo, JA (1977)
  • Shinjuku-ku, JP (2009)
  • Kawaguchi, JP (2013 - 2014)
  • Saitama, JP (2011 - 2020)
  • Richardson, TX (US) (2020)
  • Pheonix, AZ (US) (2021)
  • Phoenix, AZ (US) (2020 - 2022)
  • Tokyo, JP (1979 - 2024)

Company Filing History:

goldMedal24 out of 665 
 
Lintec Corporation
 patents
silverMedal13 out of 36,735 
 
Nec Corporation
 patents
bronzeMedal10 out of 66 
 
Lintec of America, Inc.
 patents
4. 4 out of 8,998 
 
Nikon Corporation
 patents
5. 3 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
6. 3 out of 232 
 
Fujikoki Corporation
 patents
7. 1 out of 1 
 
Link Geonomics, Inc.
 patent
8. 1 out of 1,568 
 
Mahle International Gmbh
 patents
9. 1 out of 615 
 
Sumitomo Bakelite Company Limited
 patents
where one patent can have more than one assignee

Years Active: 1977-2026

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Areas of Expertise:
Power Module
Conductive Member
Heat Radiant Heater
Electromagnetic Band Gap
Carbon Nanotube
Nanofiber Thermal Interface
Optical Recording Medium
Pressure-Sensitive Adhesive
Motor Driven Valve
Dynamic Image Processing
Gas-Barrier Film
Helicobacter Pylori Agent
52 patents (USPTO):Explore Patents
1. 12519032 - Power module (2026-01-06),
2. 12429557 - Pseudo sheet structure, sheet conductive member, and sensor device (2025-09-30),
3. 12200830 - Heat radiant heater (2025-01-14),
4. 12075530 - Article with conductive sheet and method for producing same (2024-08-27),
5. 12070931 - Sheet, heating element, and heating device (2024-08-27),
6. 11658375 - Electromagnetic band gap structure and package structure (2023-05-23),
7. 11654651 - Sheet, heating element, and heating device (2023-05-23),
8. 11535003 - Electrically conductive sheet for use in three-dimensional molding (2022-12-27),
9. 11479020 - Carbon nanotube sheet structure and laminate (2022-10-25),
10. 11405985 - Heat-generating sheet for use in three-dimensional molding, and surface heat-generating article (2022-08-02),
11. 11404759 - Connection structure including a coupling window between a dielectric waveguide line in a substrate and a waveguide and having plural recesses formed in the connection structure (2022-08-02),
12. 11300219 - Variable-capacity compressor control valve (2022-04-12),
13. 10981356 - Adhesive sheet (2021-04-20),
14. 10800658 - Laminated body (2020-10-13),
15. 10774243 - Method for modifying carbon nanotube sheet, modified carbon nanotube sheet, method for manufacturing adhesive sheet, and adhesive sheet (2020-09-15),

Title: Innovations of Masaharu Ito: A Pioneer in Thermal Radiation Technology

Introduction

Masaharu Ito, based in Tokyo, Japan, is a prominent inventor known for his significant contributions to the fields of thermal radiation technology and conductive materials. With an impressive portfolio of 50 patents, Ito has established himself as a leading figure in innovation and design, pushing the boundaries of modern technology.

Latest Patents

Among his latest patents, two stand out for their inventive nature and application. The first is the "Heat Radiant Heater," which features a thermal radiation heater comprising a heater element layer and multiple layers on both the front and back surfaces. The design optimizes emissivity with a front layer having an emissivity of 0.7 or more and a back layer with an emissivity of 0.6 or less, enhancing heating efficiency.

Another noteworthy patent is the "Article with Conductive Sheet and Method for Producing Same." This patent outlines a method for manufacturing an article equipped with a conductive sheet by forming electrodes on an adherend and subsequently adhering a conductive member to it. This method emphasizes innovation in materials and production techniques.

Career Highlights

Masaharu Ito has had a distinguished career working with renowned companies in the technology sector. Notably, he has contributed his expertise to Lintec Corporation and NEC Corporation, where he played a key role in the development and refinement of innovative technologies.

Collaborations

Throughout his career, Ito has collaborated with esteemed colleagues, including Kenichi Maruhashi and Keiichi Ohata. These collaborations have enabled the fusion of creative ideas and technical skills, further promoting advancements in their respective fields.

Conclusion

Masaharu Ito's extensive body of work and his relentless pursuit of innovation solidify his status as a pioneer in thermal radiation technology and conductive material applications. His patents not only exemplify his inventive spirit but also contribute significantly to the ongoing evolution of modern technology. As he continues to innovate, his legacy inspires future generations of inventors and engineers.

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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