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For the Inventor, By the Inventor

Hachioji, Japan

Masahiko Takahashi

This inventor holds 24 USPTO granted patents, primarily in Magneto-Optical Recording. Top assignees: Hitachi, Ltd., Hitachi Maxell, Limited, Hitachi Metals, Ltd.. Active years: 1991-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Takahashi. Retrieved from https://idiyas.com/inventor/masahiko-takahashi

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

USPTO Granted Patents = 24

% Patents Active = 79.2

Average Co-Inventor Count = 5.0

ph-index = 10

Forward Citations = 314(Granted Patents)


Location History:

  • Kodaira, JP (1994 - 1997)
  • Hachiouji, JP (1998)
  • Hachioji, JP (1991 - 1999)
  • Uenohara-machi, JP (1999)
  • Yamanashi, JP (2003 - 2004)
  • Uenohara, JP (2003 - 2012)

Company Filing History:

goldMedal24 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal3 out of 1,112 
 
Hitachi Maxell, Limited
 patents
bronzeMedal1 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
4. 1 out of 95 
 
Inphase Technologies, Inc.
 patents
5. 1 out of 44 
 
Nippon Columbia Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1991-2012

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Areas of Expertise:
Magneto-Optical
Optical Disc
Data Reproduction
Information Recording
Recording Medium
Optical Pickup
Solid-State Laser
Multilayer Medium
Overwritable Recording
Clock Information
Sample-Servo System
Short Wavelength Head
24 patents (USPTO):Explore Patents
1. 8228769 - Write strategy determining method, optical disc recording method, optical disc and optical disc apparatus (2012-07-24),
2. 8004950 - Optical pickup, optical information recording and reproducing apparatus and method for optically recording and reproducing information (2011-08-23),
3. 7924668 - Write strategy determining method, optical disc recording method, optical disc and optical disc apparatus (2011-04-12),
4. 6836454 - Method and apparatus for reading and writing information onto and from information recording disks (2004-12-28),
5. 6683823 - Method for reproducing information on a recording medium (2004-01-27),
6. 6560168 - Information recording/reproducing device (2003-05-06),
7. 6552986 - Apparatus for recording and reproducing data (2003-04-22),
8. 5959943 - Information recording medium with clock information therein (1999-09-28),
9. 5886958 - Information recording apparatus and method for modulated magneto-optical (1999-03-23),
10. 5871881 - Multilayer optical information medium (1999-02-16),
11. 5814400 - Magneto-optical recording medium and method (1998-09-29),
12. 5726955 - Magneto optical recording medium apparatus and method utilizing light (1998-03-10),
13. 5654058 - Magneto-optical disk (1997-08-05),
14. 5625388 - Overwritable optical recording medium and recording method of the same (1997-04-29),
15. 5579292 - Magneto-optical data recording apparatus using a sample-servo system for (1996-11-26),

Title: Masahiko Takahashi - Innovative Inventor from Hachioji, Japan

Introduction: Masahiko Takahashi is a renowned inventor hailing from Hachioji, Japan, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Masahiko Takahashi holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Masahiko Takahashi has worked with leading research institutions and universities in Japan, honing his skills and pushing the boundaries of technological advancement. His inventions have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Masahiko Takahashi has collaborated with top companies in Japan and internationally, fostering a culture of innovation and knowledge-sharing. His ability to work in diverse teams has led to the development of cutting-edge technologies that have had a lasting impact.

Conclusion: Masahiko Takahashi's passion for innovation and his dedication to creating solutions for the future make him a standout figure in the world of inventors. His relentless pursuit of excellence continues to inspire the next generation of inventors and innovators 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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