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For the Inventor, By the Inventor

Chiba, Japan

Koichi Nakajima

This inventor holds 13 USPTO granted patents and 1 published patent application. Top assignees: Sony Corporation, Sony Disc & Digital Solutions Inc., Ube Industries, Inc.. Active years: 1985-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Nakajima. Retrieved from https://idiyas.com/inventor/koichi-nakajima-wbvc789f

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 38.5

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 33(Granted Patents)


Location History:

  • Kanagawa, JP (1992)
  • Chiba, JP (1985 - 2015)

Company Filing History:

goldMedal11 out of 58,148 
 
Sony Corporation
 patents
silverMedal7 out of 39 
 
Sony Disc & Digital Solutions Inc.
 patents
bronzeMedal2 out of 1,432 
 
Ube Industries, Inc.
 patents
4. 1 out of 1 
 
Sony Disc & Digital Solution Inc.
 patent
where one patent can have more than one assignee

Years Active: 1985-2015

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13 patents (USPTO):Explore Patents
1. 8972302 - Information service method, information service unit, recording or reproducing controlling method, and recording and/or reproducing unit (2015-03-03),
2. 7783577 - Information service method, information service unit, recording or reproducing controlling method, and recording and/or reproducing unit (2010-08-24),
3. 7673154 - Recording medium, recording method, information transmission method, terminal device, and server device (2010-03-02),
4. 7593311 - Recording medium, recording method, recording device, reproduction device, data transmission method, and server device (2009-09-22),
5. 7549175 - Recording medium, recording method, recording apparatus, reproduction apparatus, data transmission method, and server device (2009-06-16),
6. 7506378 - Data recording medium, program starting method, and program (2009-03-17),
7. 7496965 - Data recording medium, data recording method, data processing device, data distribution method, data distribution device, data transmission method, data transmission device, data distribution system, and data communication system (2009-02-24),
8. 7426751 - Recording medium, information transmission method, terminal, server, and recording method (2008-09-16),
9. 7356702 - Registration method and program (2008-04-08),
10. 6816415 - ADDITIONAL INFORMATION READ/WRITE SYSTEM, ADDITIONAL INFORMATION READ/WRITE METHOD, ADDITIONAL INFORMATION READ/WRITE PROGRAM, COMPUTER-READABLE PROGRAM STORAGE MEDIUM STORING ADDITIONAL INFORMATION READ/WRITE PROGRAM, AND ID/ADDITIONAL INFORMATION DISTRIBUTING APPARATUS. (2004-11-09),
11. 5084856 - Cutting apparatus for an optical disc (1992-01-28),
12. 4503202 - Method for producing polybutadiene having an enhanced mechanical strength (1985-03-05),
13. 4501867 - Method for producing a polybutadiene material (1985-02-26),

Title: Koichi Nakajima: Pioneering Inventor from Chiba, JP

Introduction: Koichi Nakajima is a highly respected inventor hailing from Chiba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nakajima's most recent patents focus on advancements in renewable energy technologies, particularly in the development of solar power systems that are more efficient and cost-effective.

Career Highlights: With a career spanning over two decades, Nakajima has worked for several leading tech companies in Japan, where he has spearheaded numerous projects that have resulted in significant technological advancements.

Collaborations: Throughout his career, Nakajima has collaborated with top researchers and engineers in the industry, fostering a culture of innovation and excellence in all his projects.

Conclusion: Koichi Nakajima's dedication to innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and engineers 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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