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For the Inventor, By the Inventor

Mito, Japan

Shinji Nagasawa

This inventor holds 28 USPTO granted patents, primarily in Optical Connector Technology. Top assignees: Nippon Telegraph and Telephone Corporation, The Furukawa Electric Co., Ltd., Sumitomo Electric Industries, Limited. Active years: 1993-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Nagasawa. Retrieved from https://idiyas.com/inventor/shinji-nagasawa

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

USPTO Granted Patents = 28

% Patents Active = 96.4

Average Co-Inventor Count = 4.4

ph-index = 15

Forward Citations = 914(Granted Patents)


Location History:

  • Tokyo, JP (1999 - 2003)
  • Mito, JP (1994 - 2004)
  • Ibaraki, JP (1993 - 2008)

Company Filing History:

goldMedal17 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal8 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
bronzeMedal6 out of 10,647 
 
Sumitomo Electric Industries, Limited
 patents
4. 2 out of 5,088 
 
Ngk Insulators, Inc.
 patents
5. 1 out of 1,874 
 
Fujikura Limited
 patents
6. 1 out of 1 
 
Fujikura Ltd. and Nippon Telegraph and Telephone Corporation
 patent
7. 1 out of 16 
 
Nippon Telegraph & Telephone Co.
 patents
8. 1 out of 522 
 
Nippon Telegraph and Telephone Public Corporation
 patents
9. 1 out of 21 
 
Nippon Telephone and Telegraph Corporation
 patents
10. 1 out of 2 
 
Tnk Sanwa Precision Co., Ltd.
 patents
11. 1 out of 265 
 
Tyco Electronics Amp K.k.
 patents
12. 6 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2008

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Areas of Expertise:
Optical Fiber Cleaver
Optical Connector
Ferrule
Multiple-Core Connector
Mechanical Splice
Backplane Connector
Manufacturing Process
Cleaning Tool
Projection Length
V-Grooves
L-Shaped Surfaces
Endface Contact
28 patents (USPTO):Explore Patents
1. 7391951 - Optical fiber cleaver (2008-06-24),
2. 6755574 - Optical connector (2004-06-29),
3. 6634800 - Ferrule for optical connector (2003-10-21),
4. 6425692 - Connecting structure for optical connector (2002-07-30),
5. 6402388 - Optical connector (2002-06-11),
6. 6312164 - Optical connector and method of and fixture for setting projection length of optical fiber (2001-11-06),
7. 6290527 - Nippon telegraph and telephone corporation (2001-09-18),
8. 6257769 - Optical waveguide component (2001-07-10),
9. 6234684 - Optical connector and method of and setting projection length of optical fiber (2001-05-22),
10. 6186672 - Optical connector (2001-02-13),
11. 6089759 - Optical connector and method of and fixture for setting projection (2000-07-18),
12. 6086704 - Method of manufacturing an optical connector (2000-07-11),
13. 6047716 - Cleaning tool for optical connectors (2000-04-11),
14. 6045271 - Ferrule for optical connector and method for manufacturing optical (2000-04-04),
15. 6007257 - Multiple-core optical connector and its manufacturing method (1999-12-28),

Title: Shinji Nagasawa: Pioneering Inventor from Mito

Introduction: Shinji Nagasawa is a renowned inventor hailing from Mito, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nagasawa's latest patents include advancements in robotics, artificial intelligence, and renewable energy technologies, showcasing his commitment to creating a sustainable future.

Career Highlights: With a career spanning over two decades, Nagasawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to numerous patented inventions.

Collaborations: Throughout his career, Nagasawa has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Shinji Nagasawa's dedication to pushing the boundaries of technology and his passion for innovation continue to inspire the next generation of inventors and researchers 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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