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For the Inventor, By the Inventor

Kokubunji, Japan

Koji Wakayama

This inventor holds 34 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Packet Communication. Top assignees: Hitachi, Ltd., Hitachi Information Technology Co., Ltd., Hitachi-Kokusai Electric Inc.. Active years: 1999-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Wakayama. Retrieved from https://idiyas.com/inventor/koji-wakayama

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

USPTO Granted Patents = 34 

% Patents Active = 29.4

 

Average Co-Inventor Count = 3.7

ph-index = 10

Forward Citations = 632(Granted Patents)


Location History:

  • Yokohama-shi, JP (1999)
  • Kokunbunji, JP (2005)
  • Cannes, FR (2006)
  • Kokubunji, JP (2003 - 2013)
  • Yokohama, JP (2000 - 2016)
  • Tokyo, JP (2015 - 2016)

Company Filing History:

goldMedal31 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 21 
 
Hitachi Information Technology Co., Ltd.
 patents
bronzeMedal1 out of 1,258 
 
Hitachi-Kokusai Electric Inc.
 patents
4. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1999-2016

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Areas of Expertise:
Packet Communication
VPN Composing Method
Network System
Communication Log Analyzer
Optical Access System
Cognitive Wireless Communication
Handover Management
Label Switching
Router Apparatus
IP Packet Communication
Packet Switching
Variable Length Packet
34 patents (USPTO):Explore Patents
1. 9532291 - Network system and communication log analyzer (2016-12-27),
2. 9319910 - Communication system (2016-04-19),
3. 9124531 - VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus (2015-09-01),
4. 9019969 - Gateway for interconnecting a wireless access function with a network access function (2015-04-28),
5. 8942735 - Network system and communication log analyzer (2015-01-27),
6. 8923866 - Handover management apparatus, base station, and handover management method (2014-12-30),
7. 8401384 - Optical access system, optical switching unit and optical line terminal (2013-03-19),
8. 8380065 - Optical access system and optical line terminal (2013-02-19),
9. 8219131 - Cognitive wireless communication system (2012-07-10),
10. 8218544 - Packet communicating apparatus (2012-07-10),
11. 8077719 - Packet switching apparatus (2011-12-13),
12. 8014420 - Label switching type of packet forwarding apparatus (2011-09-06),
13. 7983281 - VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus (2011-07-19),
14. 7881311 - VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus (2011-02-01),
15. 7869441 - Variable length packet communication device (2011-01-11),

Title: Innovations by Koji Wakayama: A Leader in Communication Technology

Introduction

Koji Wakayama, a prolific inventor based in Kokubunji, Japan, has made significant contributions to the field of communication technology with a portfolio consisting of 34 patents. His expertise and innovations have paved the way for advancements in network systems and communication analysis, showcasing his commitment to enhancing connectivity and data management.

Latest Patents

Among his most recent patents, Wakayama has developed a "Network System and Communication Log Analyzer." This invention provides an apparatus that associates a terminal's communication usage with its geographic location and travel route. The communication log analyzer aggregates data from mobile network apparatuses and employs various log information to estimate the travel route of the connected terminal at different connection stages.

Another crucial innovation is the "Communication System," which incorporates a mobile terminal, multiple gateway devices, a flow measurement server, a quality management server, and an operational terminal. This system plays a vital role in extracting, summarizing, and displaying the quality distribution of communication flows across different paths.

Career Highlights

Throughout his career, Koji Wakayama has worked with renowned organizations such as Hitachi, Ltd. His role in these institutions has amplified the impact of his inventions, demonstrating his ability to bridge technical innovation with practical application within the industry.

Collaborations

Wakayama has collaborated with notable colleagues in his field, including Kenichi Sakamoto and Kazuho Miki. Their collective expertise and shared vision have further enriched the development of groundbreaking technologies in the communication sector.

Conclusion

Koji Wakayama's contributions to innovations in communication technology signify his status as a leading inventor in the field. With a strong portfolio of patents and a history of collaboration with industry experts, he continues to shape the future of connectivity and data analysis, reinforcing the importance of advancements in our increasingly digital world.

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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