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For the Inventor, By the Inventor

Hitachiota, Japan

Takuji Hamada

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.6

ph-index = 8

Forward Citations = 224(Granted Patents)


Location History:

  • Hitachi, JP (1983 - 1987)
  • Hitachiota, JP (1989 - 1998)
  • Hitachiohta, JP (1988 - 2004)
  • Hitachioota, JP (2003 - 2005)

Company Filing History:

goldMedal15 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 4 
 
501 Hitachi, Ltd.
 patents

Years Active: 1983-2005

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16 patents (USPTO):Explore Patents
1. 6934516 - Radio network system (2005-08-23),
2. 6728541 - Radio relay system (2004-04-27),
3. 6625421 - Radio network system (2003-09-23),
4. 5724350 - Data transmission method and system for hub-based network (1998-03-03),
5. 5657327 - Data transmission method and system for hub-based network (1997-08-12),
6. 5517669 - Cyclic data communication system (1996-05-14),
7. 5497370 - Network system (1996-03-05),
8. 4949336 - Multi-slot access system (1990-08-14),
9. 4855993 - Method and apparatus for detecting a fault in a ring network data (1989-08-08),
10. 4766590 - Loop transmission system having plural stations connected in a variable (1988-08-23),
11. 4704714 - Method of detecting recovery from fault in a data transmission system (1987-11-03),
12. 4604742 - Loop type data transmission system (1986-08-05),
13. 4530085 - Reconfiguration control method for a loop-type data network (1985-07-16),
14. 4510494 - Loop type data highway system (1985-04-09),
15. 4432054 - Loop data transmission control method and system (1984-02-14),

Title: Takuji Hamada: Innovator in Radio Network Systems

Introduction

Takuji Hamada is a prominent inventor based in Hitachiota, Japan. He has made significant contributions to the field of radio communication, holding a total of 16 patents. His work focuses on enhancing the efficiency and reliability of radio network systems.

Latest Patents

Among his latest innovations is a radio network system designed to prevent significant differences in transmission rates between communication zones. This system maintains a uniform transmission rate across the overall network. It comprises multiple radio communication control units connected via a radio main line. Each control unit has a communication function with at least one radio communication terminal within its designated area. The system includes mechanisms for broadcasting transmission rate restriction demands when the data amount in a buffer exceeds a predetermined threshold. Additionally, it can lower the transmission rate upon receiving such demands and increase it when no demands are received within a specified period. Another notable patent is a radio relay system that further enhances communication capabilities.

Career Highlights

Takuji Hamada has worked with notable companies, including Hitachi, Ltd. and 501 Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in radio communication technology.

Collaborations

Throughout his career, Takuji has collaborated with esteemed colleagues such as Masahiro Takahashi and Hitoshi Fushimi. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Takuji Hamada's contributions to radio network systems exemplify his dedication to innovation in communication technology. His patents reflect a commitment to improving transmission efficiency and reliability in radio communications.

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