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For the Inventor, By the Inventor

Tokyo, Japan

Masahiro Hashimoto

This inventor holds 69 USPTO granted patents and 7 published patent applications, primarily in Semiconductor Manufacturing (CPC class G03F). Top assignees: Hoya Corporation, Nec Corporation, Nissan Chemical Industries Limited. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Hashimoto. Retrieved from https://idiyas.com/inventor/masahiro-hashimoto

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

USPTO Granted Patents = 69 

% Patents Active = 79.7

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 354(Granted Patents)

Forward Citations (Not Self Cited) = 348(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shinjuku, JP (2013)
  • Shinjuku-ku, JP (2010 - 2017)
  • Tokyo, JP (2001 - 2022)

Company Filing History:

goldMedal57 out of 2,566 
 
Hoya Corporation
 patents
silverMedal9 out of 36,684 
 
Nec Corporation
 patents
bronzeMedal4 out of 1,235 
 
Nissan Chemical Industries Limited
 patents
4. 1 out of 1 
 
Hoya Electronics Singapore Pte. Ltd.
 patent
5. 1 out of 831 
 
Jeol Ltd.
 patents
6. 1 out of 360 
 
Keio University
 patents
7. 1 out of 747 
 
Nuflare Technology, Inc.
 patents
8. 1 out of 401 
 
Resonac Corporation
 patents
where one patent can have more than one assignee

Years Active: 2001-2026

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Areas of Expertise:
Semiconductor Device
Mask Blank
Photomask
Transfer Mask
Phase Shift Mask
Manufacturing Method
Photosensitive Resin
Surface Treatment
Reflective Mask
69 patents (USPTO):Explore Patents
1. 12663404 - Polymer analysis apparatus and method (2026-06-23),
2. 12651338 - Image diagnossis assistance device, image diagnossis assistance method, and image diagnossis assistance program (2026-06-09),
3. 12547074 - Photosensitive resin composition, method for producing patterned cured film, patterned cured film and semiconductor element (2026-02-10),
4. 11442357 - Mask blank, phase-shift mask, and method of manufacturing semiconductor device (2022-09-13),
5. 11061316 - Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device (2021-07-13),
6. 11048160 - Mask blank, phase shift mask and method for manufacturing semiconductor device (2021-06-29),
7. 10042247 - Mask blank, method for manufacturing mask blank and transfer mask (2018-08-07),
8. 9927697 - Mask blank, method of manufacturing mask blank and method of manufacturing transfer mask (2018-03-27),
9. 9746764 - Mask blank and transfer mask (2017-08-29),
10. 9651859 - Mask blank, transfer mask and method of manufacturing transfer mask (2017-05-16),
11. 9612527 - Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device (2017-04-04),
12. 9535320 - Mask blank, method of manufacturing the same, transfer mask, and method of manufacturing the same (2017-01-03),
13. 9389501 - Photomask blank, method of manufacturing the same, photomask, and method of manufacturing the same (2016-07-12),
14. 9372393 - Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device (2016-06-21),
15. 9256122 - Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device (2016-02-09),

Title: The Innovative Journey of Masahiro Hashimoto

Introduction: Masahiro Hashimoto is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masahiro Hashimoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Hashimoto has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Masahiro Hashimoto has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Masahiro Hashimoto's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a true pioneer in the world of inventions. His impact continues to inspire the next generation of inventors and innovators worldwide.

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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