logo

For the Inventor, By the Inventor

Tokyo, Japan

Hidefumi Hiura

This inventor holds 15 USPTO granted patents and 4 published patent applications. Top assignees: Nec Corporation, National Institute of Advanced Industrial Science and Technology, National Institute for Materials Science. Active years: 1997-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidefumi Hiura. Retrieved from https://idiyas.com/inventor/hidefumi-hiura

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

USPTO Granted Patents = 15 

% Patents Active = 60.0

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 439(Granted Patents)


Location History:

  • Minato-ku, JP (2012)
  • Tokyo, JP (1997 - 2015)

Company Filing History:

goldMedal12 out of 36,684 
 
Nec Corporation
 patents
silverMedal3 out of 1,765 
 
National Institute of Advanced Industrial Science and Technology
 patents
bronzeMedal1 out of 575 
 
National Institute for Materials Science
 patents
4. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2015

Loading Chart...
15 patents (USPTO):Explore Patents
1. 8980217 - Method of manufacturing graphene substrate, and graphene substrate (2015-03-17),
2. 8835286 - Manufacturing method of graphene substrate and graphene substrate (2014-09-16),
3. 8698077 - Method for determining number of layers of two-dimensional thin film atomic structure and device for determining number of layers of two-dimensional thin film atomic structure (2014-04-15),
4. 8168964 - Semiconductor device using graphene and method of manufacturing the same (2012-05-01),
5. 8093580 - Semiconductor device and method of manufacturing the same (2012-01-10),
6. 7687801 - Dopant material, dopant material manufacturing method, and semiconductor device using the same (2010-03-30),
7. 7247548 - Doping method and semiconductor device using the same (2007-07-24),
8. 7138688 - Doping method and semiconductor device fabricated using the method (2006-11-21),
9. 6680411 - Carborane supercluster and method of producing same (2004-01-20),
10. 6540972 - Carbon material and method of preparing the same (2003-04-01),
11. 6083624 - Carbon material and method of preparing the same (2000-07-04),
12. 5925465 - Carbon material originating from graphite and method of producing same (1999-07-20),
13. 5698175 - Process for purifying, uncapping and chemically modifying carbon (1997-12-16),
14. 5641466 - Method of purifying carbon nanotubes (1997-06-24),
15. 5626812 - Method of producing carbon material by bending at least one carbon atom (1997-05-06),

Title: Innovations of Hidefumi Hiura in Graphene Technology

Introduction

Hidefumi Hiura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of graphene technology, holding a total of 15 patents. His work focuses on innovative methods for manufacturing graphene substrates, which have important applications in semiconductor devices.

Latest Patents

Among his latest patents, Hiura has developed a method of manufacturing graphene substrate. This method involves bringing a metal layer into contact with a carbon-containing layer and heating the metal layer to dissolve carbon into it. Upon cooling, the carbon precipitates as graphene on any substrate surface. Another notable patent is for a manufacturing method of a graphene-on-insulator substrate, which is designed to be mass productive and of high quality. This method allows for the direct use of the substrate in semiconductor device manufacturing at a low cost.

Career Highlights

Hiura has worked with notable organizations such as NEC Corporation and the National Institute of Advanced Industrial Science and Technology. His experience in these institutions has greatly influenced his research and development in graphene technology.

Collaborations

Some of his notable coworkers include Toshihiko Kanayama and Tetsuya Tada. Their collaborative efforts have contributed to advancements in the field of graphene and its applications.

Conclusion

Hidefumi Hiura's innovative work in graphene technology has positioned him as a key figure in the field. His patents reflect a commitment to advancing manufacturing methods that are both efficient and cost-effective.

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]
Loading…