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For the Inventor, By the Inventor

Tokyo, Japan

The Distribution Systems Research Institute

USPTO Granted Patents = 22

% Expired Patents = 90.9


Forward Citations = 130

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2 inventors (with patents filed for the assignee):

goldMedal Shoji Miyaguchi (22 out of 24 patents)

silverMedal Hisao Furukawa (22 out of 74 patents)


22 patents:

1. 8948161 - Terminal-to-terminal communication connection control method using IP transfer network (2015-02-03),
2. 8934484 - Terminal-to-terminal communication connection control method using IP transfer network (2015-01-13),
3. 8565245 - Terminal-to-terminal communication connection control method using IP transfer network (2013-10-22),
4. 8553677 - Terminal to-terminal communication connection control method using IP transfer network (2013-10-08),
5. 8208452 - Integrated information communication system (2012-06-26),
6. 8121113 - Terminal-to-terminal communication connection control method using IP transfer network (2012-02-21),
7. 8072979 - Terminal-to-terminal communication control system for IP full service (2011-12-06),
8. 7948995 - Terminal-to-terminal communication connection control method using IP transfer network (2011-05-24),
9. 7787428 - Integrated information communication system (2010-08-31),
10. 7782883 - Terminal-to-terminal communication connection control method using IP transfer network (2010-08-24),
11. 7733882 - Terminal-to-terminal communication connection control method using IP transfer network (2010-06-08),
12. 7693187 - Integrated information communication system using internet protocol (2010-04-06),
13. 7516242 - Integrated information communication system using conversion table to convert an external packet into an internal packet by embedding a header (2009-04-07),
14. 7505471 - Terminal-to-terminal communication connection control method using IP transfer network (2009-03-17),
15. 7440456 - Terminal-to-terminal communication connection control system for IP full service (2008-10-21),
Company Overview
The Distribution Systems Research Institute, based in Tokyo, specializes in advancing technologies related to distribution systems and logistics. The organization focuses on research and development in areas such as supply chain optimization, transportation efficiency, and innovative distribution methodologies. By fostering collaboration among industry stakeholders, the institute aims to enhance operational effectiveness and sustainability within the distribution sector, contributing to the broader economic landscape in Japan and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#1,286 in Tokyo

#2,795 in Japan

#28,807 in the World

Tokyo, JP
Tokyo, Japan

The Distribution Systems Research Institute

Forward Citations = 130

2 inventors:

goldMedal Shoji Miyaguchi (22 out of 24 patents)

silverMedal Hisao Furukawa (22 out of 74 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Distribution Systems Research Institute. Retrieved from https://idiyas.com/company/distribution-systems-research-institute

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

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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