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For the Inventor, By the Inventor

Osaka, Japan

Hirotaka Sakuma

This inventor holds 26 USPTO granted patents and 12 published patent applications and 6 EPO patents, primarily in Optical Fiber Technology. Top assignees: Sumitomo Electric Industries, Limited, Sumitomo Electric Optifrontier Co., Ltd.. Active years: 2017-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Sakuma. Retrieved from https://idiyas.com/inventor/hirotaka-sakuma

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

USPTO Granted Patents = 26 

% Patents Active = 80.8

 

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Yokohama, JP (2017 - 2022)
  • Osaka, JP (2020 - 2024)

Company Filing History:

goldMedal26 out of 10,641 
 
Sumitomo Electric Industries, Limited
 patents
silverMedal1 out of 18 
 
Sumitomo Electric Optifrontier Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2017-2026

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Areas of Expertise:
Multicore Optical Fiber
Optical Amplification
Transmission Line
Optical Transmission System
Fiber Base Material
Optical Fiber Preform
Colored Optical Fiber
Coated Optical Fiber
Optical Amplifier
Optical Fiber Production
Optical Communication
26 patents (USPTO):Explore Patents
1. 12724194 - Multi-core optical fiber and core identification method (2026-09-01),
2. 12717078 - Multicore optical fiber (2026-08-25),
3. 12710583 - MULTICORE OPTICAL FIBER (2026-08-18),
4. 12695266 - Optical amplification transmission line (2026-07-28),
5. 12645025 - Multicore optical fiber and optical transmission system (2026-06-02),
6. 12546933 - Multicore optical fiber (2026-02-10),
7. 12466757 - Production method for optical fiber base material, and optical fiber base material (2025-11-11),
8. 12449589 - Multicore optical fiber (2025-10-21),
9. 12398062 - Method for producing optical fiber base material, and optical fiber base material (2025-08-26),
10. 12216309 - Optical fiber (2025-02-04),
11. 12030804 - Optical fiber (2024-07-09),
12. 11971571 - Optical fiber (2024-04-30),
13. 11740404 - Optical fiber (2023-08-29),
14. 11714226 - Optical fiber (2023-08-01),
15. 11322904 - Optical amplifier and multi-core optical fiber (2022-05-03),

Title: The Innovative Mind of Hirotaka Sakuma

Introduction: Hirotaka Sakuma is a visionary inventor hailing from Osaka, Japan. His creative spirit and dedication to pushing the boundaries of technology have led to groundbreaking innovations in various fields.

Latest Patents: Hirotaka Sakuma holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies. His most recent patents focus on sustainable solutions for urban development and smart infrastructure.

Career Highlights: With a background in mechanical engineering, Hirotaka Sakuma has worked for leading tech companies in Japan, where he spearheaded research and development projects that have resulted in cutting-edge products. His expertise in designing efficient systems has earned him recognition in the industry.

Collaborations: Hirotaka Sakuma has collaborated with top research institutions and universities in Japan to further his inventions. His partnerships with like-minded professionals have led to the successful implementation of his ideas in real-world applications.

Conclusion: Hirotaka Sakuma's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors. His contributions to the field of technology have left a lasting impact on society, shaping a more sustainable and technologically advanced future.

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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