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For the Inventor, By the Inventor

Yokohama, Japan

Kenji Hiratsuka

This inventor holds 18 USPTO granted patents. Top assignee: Sumitomo Electric Industries, Limited. Active years: 2004-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hiratsuka. Retrieved from https://idiyas.com/inventor/kenji-hiratsuka

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

USPTO Granted Patents = 18

% Patents Active = 50.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Kamakura, JP (2013 - 2014)
  • Yokohama, JP (2004 - 2015)
  • Osaka, JP (2014 - 2017)

Company Filing History:

goldMedal18 out of 10,641 
 
Sumitomo Electric Industries, Limited
 patents

Years Active: 2004-2017

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18 patents (USPTO):Explore Patents
1. 9793365 - Method for manufacturing silicon carbide semiconductor device having trench (2017-10-17),
2. 9627487 - Method for manufacturing silicon carbide semiconductor device and silicon carbide semiconductor device (2017-04-18),
3. 8964809 - Semiconductor optical integrated device (2015-02-24),
4. 8889445 - Method for manufacturing semiconductor optical device and semiconductor optical device (2014-11-18),
5. 8772113 - Method for manufacturing silicon carbide semiconductor device (2014-07-08),
6. 8637338 - Method for producing integrated optical device (2014-01-28),
7. 8637329 - Method for producing semiconductor optical integrated device (2014-01-28),
8. 8597966 - Method for producing semiconductor optical device (2013-12-03),
9. 8563342 - Method of making semiconductor optical integrated device by alternately arranging spacers with integrated device arrays (2013-10-22),
10. 8409889 - Method for producing semiconductor optical device (2013-04-02),
11. 8216868 - Method of fabricating semiconductor laser (2012-07-10),
12. 8039282 - Semiconductor optical device and method of fabricating the same (2011-10-18),
13. 7947520 - Semiconductor laser and method of making the same (2011-05-24),
14. 7897422 - Semiconductor light-emitting device and a method to produce the same (2011-03-01),
15. 7807489 - Light-emitting device with a protection layer to prevent the inter-diffusion of zinc (Zn) atoms (2010-10-05),

Title: Kenji Hiratsuka: Pioneering Inventor from Yokohama

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

Latest Patents: Kenji Hiratsuka 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 over two decades of experience in the industry, Kenji Hiratsuka has worked with leading tech companies in Japan, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Kenji Hiratsuka has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge-sharing in the pursuit of cutting-edge solutions.

Conclusion: Kenji Hiratsuka's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true trailblazer in the world of invention, inspiring the next generation of inventors to dream big and create a better future for all.

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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