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For the Inventor, By the Inventor

Yokohama, Japan

Harushige Nakagaki

This inventor holds 14 USPTO granted patents. Top assignees: Hitachi, Ltd., Pioneer Electronic Corporation. Active years: 1978-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harushige Nakagaki. Retrieved from https://idiyas.com/inventor/harushige-nakagaki

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 10

Forward Citations = 311(Granted Patents)


Location History:

  • Toyokawa, JP (1980 - 1986)
  • Kanagawa, JP (1993)
  • Yokohama, JP (1978 - 1999)

Company Filing History:

goldMedal14 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 2,861 
 
Pioneer Electronic Corporation
 patents
where one patent can have more than one assignee

Years Active: 1978-1999

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14 patents (USPTO):Explore Patents
1. 5963517 - Disk reproducing speed control method and a disk reproducing apparatus (1999-10-05),
2. 5532835 - Tracking control in apparatus for fast reproducing digital information (1996-07-02),
3. 5341248 - Magnetic recording/reproducing apparatus having head structure for (1994-08-23),
4. 5227928 - Magnetic recording/reproducing apparatus which maintains a constant (1993-07-13),
5. 4748609 - Method and apparatus for composite tracking servo system with track (1988-05-31),
6. 4707816 - Method and apparatus for composite wobbled and push-pull tracking servo (1987-11-17),
7. 4682314 - Disc playback apparatus (1987-07-21),
8. 4675855 - Reproducing rate control apparatus for information recording disc (1987-06-23),
9. 4580255 - Servo circuit for a signal reproducing apparatus (1986-04-01),
10. 4427951 - Protective device for power amplifier (1984-01-24),
11. 4409559 - Supply voltage controlled stereophonic amplifier system (1983-10-11),
12. 4241456 - Remote-controlled receiver (1980-12-23),
13. 4214299 - Frequency-voltage converter (1980-07-22),
14. 4100501 - Audio frequency power amplifier (1978-07-11),

Title: Harushige Nakagaki: Pioneering Inventor from Yokohama

Introduction: Harushige Nakagaki is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Harushige Nakagaki's latest patents include cutting-edge advancements in artificial intelligence, robotics, and renewable energy technologies, solidifying his reputation as a forward-thinker in the industry.

Career Highlights: With a career spanning over two decades, Nakagaki has worked with leading tech companies and research institutions, spearheading projects that have revolutionized various sectors. His innovative solutions have earned him numerous accolades and recognition in the global innovation community.

Collaborations: Nakagaki has collaborated with top scientists, engineers, and inventors from around the world, fostering a culture of creativity and excellence. His partnerships have led to the development of transformative technologies that have reshaped industries and improved the quality of life for many.

Conclusion: Harushige Nakagaki's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs. His legacy as a visionary inventor from Yokohama will undoubtedly leave a lasting impact on the world of technology 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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