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For the Inventor, By the Inventor

Yokohama, Japan

Kaoru Sakai

This inventor holds 46 USPTO granted patents and 6 published patent applications, primarily in Defect Inspection. Top assignees: Hitachi-High-Technologies Corporation, Hitachi, Ltd., Hitachi Power Solutions Co., Ltd.. Active years: 2004-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaoru Sakai. Retrieved from https://idiyas.com/inventor/kaoru-sakai

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

USPTO Granted Patents = 46 

% Patents Active = 34.8

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 428(Granted Patents)


Location History:

  • Yokohama, JP (2004 - 2015)
  • Tokyo, JP (2008 - 2020)

Company Filing History:

goldMedal29 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
silverMedal16 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal2 out of 36 
 
Hitachi Power Solutions Co., Ltd.
 patents
4. 1 out of 155 
 
Hitachi-Ge Nuclear Energy, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2004-2020

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Areas of Expertise:
Defect Inspection
Pattern Inspection
Non-Destructive Testing
Inspection Method
Fault Inspection
Comparative Inspection
Defect Detection
Apparatus
Device
Inspection System
Image Alignment
Pattern Defects
46 patents (USPTO):Explore Patents
1. 10529068 - Defect inspection method and apparatus (2020-01-07),
2. 10354372 - Defect inspection method and apparatus (2019-07-16),
3. 9075026 - Defect inspection device and defect inspection method (2015-07-07),
4. 8824774 - Method and apparatus for inspecting patterns formed on a substrate (2014-09-02),
5. 8811712 - Defect inspection method and device thereof (2014-08-19),
6. 8755041 - Defect inspection method and apparatus (2014-06-17),
7. 8737718 - Apparatus and method for inspecting defect (2014-05-27),
8. 8639019 - Method and apparatus for inspecting pattern defects (2014-01-28),
9. 8582864 - Fault inspection method (2013-11-12),
10. 8467594 - Method and apparatus for inspecting patterns formed on a substrate (2013-06-18),
11. 8427634 - Defect inspection method and apparatus (2013-04-23),
12. 8340395 - Defect inspection method and apparatus therefor (2012-12-25),
13. 8275190 - Method and apparatus for inspecting pattern defects (2012-09-25),
14. 8274652 - Defect inspection system and method of the same (2012-09-25),
15. 8270700 - Method and apparatus for pattern inspection (2012-09-18),

Title: Kaoru Sakai: Pioneering Inventor from Yokohama

Introduction: Kaoru Sakai is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Sakai's most recent patents focus on advancements in renewable energy technologies, particularly in the development of efficient solar panels and wind turbines.

Career Highlights: With a career spanning over two decades, Sakai has worked for leading tech companies in Japan, spearheading research and development projects that have led to numerous patented inventions in the fields of clean energy, robotics, and artificial intelligence.

Collaborations: Throughout his career, Sakai has collaborated with top researchers and engineers from universities and research institutions worldwide, fostering innovation and pushing the boundaries of technological advancements.

Conclusion: Kaoru Sakai's dedication to innovation and his relentless pursuit of technological excellence have solidified his reputation as a pioneering 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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