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For the Inventor, By the Inventor

Yokohama, Japan

Haruo Shibata

This inventor holds 7 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Communication Systems, Inc.. Active years: 1995-2007.

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 130(Granted Patents)


Location History:

  • Yokohama, JP (1995 - 2007)
  • Kanagawa, JP (2007)

Company Filing History:

goldMedal7 out of 42,717 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 17 
 
Hitachi Communication Systems, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1995-2007

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7 patents (USPTO):Explore Patents
1. 7310351 - Method and apparatus for translating protocol (2007-12-18),
2. 7301963 - Method and device for data relaying (2007-11-27),
3. 7020084 - Communication system, a communication method and communication terminal (2006-03-28),
4. 6973076 - Mobile communication network, terminal equipment, packet communication control method, and gateway (2005-12-06),
5. 6879592 - Switching system and switching control method (2005-04-12),
6. 6731621 - Mobil communication system for providing IP packet communications and method for routing IP packets (2004-05-04),
7. 5410540 - Shared-buffer-type ATM switch having copy function and copy method (1995-04-25),

Title: Haruo Shibata: Innovator in Mobile Communication Technologies

Introduction

Haruo Shibata is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of mobile communication technologies, holding a total of 7 patents. His work focuses on enhancing communication protocols and data relaying methods, which are crucial for the seamless interaction between different network types.

Latest Patents

One of Shibata's latest patents is a "Method and apparatus for translating protocol." This invention involves a translation apparatus that retains a correlation between a Mobile IPv6 terminal's home address and a virtual IPv4 address. When a Mobile IPv6 terminal transmits a packet to an IPv6 network, the apparatus changes the packet's source address to a corresponding virtual IPv4 address, enabling communication between IPv6 and IPv4 networks.

Another significant patent is the "Method and device for data relaying." This method relays data between terminal devices connected to different networks. It involves searching for location information in a storing device and converting it to ensure that the data is sent with the correct location information to the appropriate terminal device.

Career Highlights

Shibata has worked with prominent companies such as Hitachi, Ltd. and Hitachi Communication Systems, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in mobile communication technologies.

Collaborations

Throughout his career, Shibata has collaborated with notable coworkers, including Koji Hirayama and Koji Tanaka. These collaborations have contributed to the advancement of his inventions and the successful implementation of his ideas.

Conclusion

Haruo Shibata is a distinguished inventor whose work in mobile communication technologies has led to several important patents. His innovative approaches to protocol translation and data relaying continue to impact the field significantly.

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