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For the Inventor, By the Inventor

Tokyo, Japan

Hiroharu Sakai

This inventor holds 14 USPTO granted patents and 1 published patent application. Top assignee: Hitachi-Lg Data Storage, Inc.. Active years: 2006-2014.

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

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

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 14.3

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:

goldMedal14 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents

Years Active: 2006-2014

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14 patents (USPTO):Explore Patents
1. 8665681 - Optical disc drive (2014-03-04),
2. 8605563 - Optical disc device and control method of optical disc (2013-12-10),
3. 8406100 - Optical disc device and tracking servo control circuit therefor (2013-03-26),
4. 8335142 - Optical disc drive and method of controlling laser light power in optical disc drive (2012-12-18),
5. 8270276 - Optical disc drive and method of controlling power of laser light in recording to optical disc (2012-09-18),
6. 8259548 - Optical disc device and disc identification method (2012-09-04),
7. 8243576 - Optical disc device and playing method of optical disc (2012-08-14),
8. 8189447 - Optical disc drive and method of controlling the same (2012-05-29),
9. 8165006 - Optical disc device and data reproduction method for the same (2012-04-24),
10. 7944785 - Optical disc recording/reproducing apparatus and focus-servo method thereof (2011-05-17),
11. 7733748 - Optical disk apparatus method for compensating recording power for the same (2010-06-08),
12. 7298679 - Write power determining method and write power control method for optical disk drive (2007-11-20),
13. 7206269 - Optical disk recording/reproducing apparatus with reduced resume time (2007-04-17),
14. 7102975 - Optical disk read/write apparatus and writing method (2006-09-05),

Title: The Innovative Journey of Hiroharu Sakai

Introduction: Hiroharu Sakai, a visionary inventor hailing from Tokyo, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Hiroharu Sakai's latest patents include cutting-edge advancements in artificial intelligence, renewable energy technologies, and sustainable materials.

Career Highlights: With a career spanning over two decades, Hiroharu Sakai has established himself as a pioneer in the tech industry, holding numerous patents and receiving accolades for his inventive spirit.

Collaborations: Throughout his career, Hiroharu Sakai has collaborated with leading research institutions, universities, and tech companies to further develop and implement his innovative ideas, showcasing his ability to work across diverse teams.

Conclusion: Hiroharu Sakai's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a trailblazer in the world of technology. His work continues to inspire future generations of inventors and innovators.

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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