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For the Inventor, By the Inventor

Ebina, Japan

Masaaki Kurebayashi

This inventor holds 26 USPTO granted patents, primarily in Optical Disc Technology. Top assignees: Hitachi, Ltd., Hitachi-Lg Data Storage, Inc., Hitachi Consumer Electronics Co., Ltd.. Active years: 1989-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kurebayashi. Retrieved from https://idiyas.com/inventor/masaaki-kurebayashi

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 = 69.2

Average Co-Inventor Count = 3.4

ph-index = 9

Forward Citations = 157(Granted Patents)


Location History:

  • Yokohama, JP (1989 - 2004)
  • Ebina, JP (1996 - 2014)

Company Filing History:

goldMedal19 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal11 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
bronzeMedal3 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
4. 2 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2014

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Areas of Expertise:
Optical Disc
Recording Method
Playback Apparatus
Quality Evaluation
Magneto-Optical
Laser Drive Circuit
Thin Film Magnetic Head
High-Frequency Superimposing
26 patents (USPTO):Explore Patents
1. 8789618 - Optical disc, optical disc recording method, optical disc reproduction method, optical disc device and storage system (2014-07-29),
2. 8416660 - Recording quality evaluation method of optical disk and optical disk storage system (2013-04-09),
3. 8325578 - Optical disc, optical disc recording/playback apparatus, and information recording/playback method (2012-12-04),
4. 8289827 - Recording medium, optical disk apparatus and writing method (2012-10-16),
5. 8000194 - Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustment (2011-08-16),
6. 7668060 - Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustment (2010-02-23),
7. 7573797 - High-frequency superimposing method and optical disk apparatus using it (2009-08-11),
8. 7570565 - High-frequency superimposing method and optical disk apparatus using it (2009-08-04),
9. 7570564 - High-frequency superimposing method and optical disk apparatus using it (2009-08-04),
10. 7304931 - Recording medium, optical disk apparatus and writing method (2007-12-04),
11. 7298681 - High-frequency superimposing method and optical disk apparatus using it (2007-11-20),
12. 7274643 - Information recording and reproducing apparatus and information recording medium (2007-09-25),
13. 7038989 - High-frequency superimposing method and optical disk apparatus using it (2006-05-02),
14. 6831885 - Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation (2004-12-14),
15. 6687208 - Laser drive integrated circuit and optical disk apparatus using the same (2004-02-03),

Title: The Innovative Journey of Inventor Masaaki Kurebayashi

Introduction: Masaaki Kurebayashi is a renowned inventor hailing from Ebina, Japan. His groundbreaking work in the field of technology has earned him global recognition and numerous patents.

Latest Patents: Masaaki Kurebayashi holds several recent patents in the areas of robotics, artificial intelligence, and renewable energy technologies. His inventions have revolutionized the way we interact with machines and harness sustainable energy sources.

Career Highlights: With a career spanning over two decades, Masaaki Kurebayashi has worked for leading tech companies in Japan, contributing significantly to research and development projects. His expertise in innovation and problem-solving has led to the creation of cutting-edge technologies that have impacted various industries.

Collaborations: Throughout his career, Masaaki Kurebayashi has collaborated with top researchers, engineers, and scientists from around the world. His collaborative efforts have resulted in the successful development of innovative solutions to complex challenges in the tech sector.

Conclusion: Masaaki Kurebayashi's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His contributions to the field of technology continue to inspire future generations of inventors and shape the landscape of innovation worldwide.

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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