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For the Inventor, By the Inventor

Yokohama, Japan

Yukihiro Tsuji

This inventor holds 31 USPTO granted patents and 3 published patent applications, primarily in Semiconductor Technology. Top assignee: Sumitomo Electric Industries, Limited. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihiro Tsuji. Retrieved from https://idiyas.com/inventor/yukihiro-tsuji

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

USPTO Granted Patents = 31 

% Patents Active = 80.6

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Kawasaki, JP (2016 - 2017)
  • Yokohama, JP (2010 - 2019)
  • Tama, JP (2017 - 2020)
  • Osaka, JP (2019 - 2022)

Company Filing History:

goldMedal31 out of 10,641 
 
Sumitomo Electric Industries, Limited
 patents

Years Active: 2010-2025

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Areas of Expertise:
Semiconductor Device
Quantum Cascade Laser
Surface-Emitting Laser
Optical Device
Laser Diode
Light Receiving Device
Nano-Imprint Mold
Insulating Film
Laminated Resin Film
Optical Apparatus
Hetero-Structure Laser
Resin Pattern
31 patents (USPTO):Explore Patents
1. 12402341 - Method for manufacturing semiconductor device (2025-08-26),
2. 12328888 - Method of manufacturing semiconductor device (2025-06-10),
3. 11522343 - Surface-emitting laser and method of manufacturing the same (2022-12-06),
4. 10998697 - Method of manufacturing surface emitting laser (2021-05-04),
5. 10916917 - Method of manufacturing surface emitting laser (2021-02-09),
6. 10554010 - Method of producing semiconductor laser device and method of producing optical directional coupler (2020-02-04),
7. 10476237 - Quantum cascade laser (2019-11-12),
8. 10234628 - Method for producing semiconductor device (2019-03-19),
9. 10224697 - Integrated quantum cascade laser, semiconductor optical apparatus (2019-03-05),
10. 10186832 - Method for fabricating surface emitting laser (2019-01-22),
11. 10170890 - Method of fabricating semiconductor optical device and surface-emitting semiconductor laser (2019-01-01),
12. 10128633 - Surface emitting semiconductor laser (2018-11-13),
13. 9941666 - Method for producing quantum cascade laser and quantum cascade laser (2018-04-10),
14. 9825430 - Method for producing quantum cascade laser and quantum cascade laser (2017-11-21),
15. 9735311 - Method for producing semiconductor light receiving device (2017-08-15),

Title: Yukihiro Tsuji - Pioneering Inventor from Yokohama, JP

Introduction: Yukihiro Tsuji is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yukihiro Tsuji holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Tsuji has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and solutions.

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

Conclusion: Yukihiro Tsuji's passion for innovation and his relentless pursuit of technological excellence have solidified his reputation as a visionary inventor in Yokohama and beyond.

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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