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For the Inventor, By the Inventor

Musashino, Japan

Dai Ikarashi

This inventor holds 80 USPTO granted patents and 14 published patent applications and 81 EPO patents, primarily in Secure Computation (CPC class H04L). Top assignees: Nippon Telegraph and Telephone Corporation, Ntt Corporation. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dai Ikarashi. Retrieved from https://idiyas.com/inventor/dai-ikarashi

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

USPTO Granted Patents = 80 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 33(Granted Patents)

Forward Citations (Not Self Cited) = 26(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (2015 - 2019)
  • Musashino, JP (2018 - 2024)

Company Filing History:

goldMedal67 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal13 out of 589 
 
Ntt Corporation
 patents

Years Active: 2015-2026

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Areas of Expertise:
Secure Computation
Gradient Descent
Clustering
Statistical Processing
Normalization
Equi-Join
Secure Mapping
Aggregate Functions
Secret Calculation
Survival Data Processing
Deduplication
Retrieval
80 patents (USPTO):Explore Patents
1. 12756542 - Secure exponent unification system, secure exponent unification apparatus, secure exponent unification method, secure sum computing system, secure sum-of-product computing system, and program (2026-10-06),
2. 12744666 - Secure inverse computation system, secure normalization system, methods therefor, secure computation apparatus, and program (2026-09-22),
3. 12725084 - Distributed learning method, distributed learning system, server, and program (2026-09-01),
4. 12699545 - Secure selective product computation system, secure selective product computation method, secure computation apparatus, and program (2026-08-04),
5. 12688321 - Secure cluster calculation system, secure cluster calculation apparatus, secure cluster calculation method, and program (2026-07-21),
6. 12626139 - Secret softmax function calculation system, secret softmax function calculation apparatus, secret softmax function calculation method, secret neural network calculation system, secret neural network learning system, and program (2026-05-12),
7. 12619433 - Secret calculation system, apparatus, method and program (2026-05-05),
8. 12578926 - Secure square root computation system, secure normalization system, methods therefor, secure computation apparatus, and program (2026-03-17),
9. 12541538 - Clustering apparatus, clustering method, and program (2026-02-03),
10. 12518656 - Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method and program (2026-01-06),
11. 12475237 - Secure computation apparatus, secure computation system, secure computation method, and program (2025-11-18),
12. 12461917 - Secure equi-join apparatus, secure equi-join method, and program (2025-11-04),
13. 12452042 - Secure computation apparatus, secure computation method, and program (2025-10-21),
14. 12412487 - Secret calculation system, apparatus, method and program (2025-09-09),
15. 12401494 - Machine learning using secure gradient descent computation (2025-08-26),

Title: The Innovative Journey of Dai Ikarashi

Introduction: Dai Ikarashi is a renowned inventor hailing from Musashino, Japan, known for his groundbreaking contributions to various fields through his inventive spirit and dedication to technological advancements.

Latest Patents: Dai Ikarashi holds several patents in the fields of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to innovation.

Career Highlights: With a career spanning over two decades, Dai Ikarashi has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Dai Ikarashi has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Dai Ikarashi's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology in Japan 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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