Tokyo, Japan

Kojiro Hamabe

USPTO Granted Patents = 167 


 

Average Co-Inventor Count = 2.0

ph-index = 19

Forward Citations = 1,286(Granted Patents)

Forward Citations (Not Self Cited) = 1,255(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JP (2011 - 2016)
  • Minato-ku, JP (2012 - 2018)
  • Tokyo, JE (2018)
  • Tokyo, JP (1994 - 2024)

Company Filing History:


Years Active: 1994-2024

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Areas of Expertise:
Radio Communication
Wireless Communication
Base Station Technology
Resource Allocation
Multi-Cell Cooperation
User Equipment
Mobility Management
Frequency Management
Data Packet Transmission
Communication Control
Received Power Estimation
Communication Network Systems
167 patents (USPTO):Explore Patents

Title: Kojiro Hamabe: Tokyo's Prolific Inventor

Introduction:

Kojiro Hamabe, a skilled inventor based in Tokyo, Japan, has made significant contributions to the field of radio communication systems. With an impressive portfolio of 166 patents, Hamabe has demonstrated his expertise in developing innovative solutions for communication apparatus and network systems. This article delves into his latest patents, notable career highlights, collaborations, and the company he calls home.

Latest Patents:

Hamabe's recent patents showcase his inventive prowess in radio communication systems. One notable patent is the "Radio Communication System, Communication Apparatus, Radio Communication Network System, and Method Therefor." This system introduces a transmission delay estimate information transmitting means, which effectively transmits transmission delay estimate information to the radio communication network system when specific transmission conditions are met. This innovation aims to improve the efficiency and reliability of communication in radio networks.

Another noteworthy invention by Hamabe is the "Radio Communication System, Method, Program, Base Station Apparatus, Multi-cell/Multicast Cooperation Control Apparatus." This patent presents a radio communication system that adaptively outputs transmission parameters based on various factors such as the unicast traffic volume in a Multicast-Broadcast Single Frequency Network (MBSFN) area, the number of terminals, and the number of cells in the MBSFN area. The goal is to maximize system throughput while meeting the MBSFN quality requirements.

Career Highlights:

Throughout his career, Hamabe has contributed significantly to NEC Corporation, a globally recognized technology company known for its innovation in various fields including IT, communications, and electronics. As a dedicated inventor within NEC Corporation, Hamabe has made substantial contributions to advancements in radio communication systems, earning him recognition within the industry.

Collaborations:

Hamabe has had the privilege of collaborating with esteemed professionals within his field. Notably, he has worked closely with Jinsock Lee and Hiroaki Aminaka, both prominent figures in the radio communication industry. These collaborations have allowed Hamabe to combine his expertise with that of his colleagues, resulting in groundbreaking inventions and patents.

Conclusion:

Kojiro Hamabe, an accomplished inventor based in Tokyo, Japan, has established himself as a leading force in the field of radio communication systems. With his impressive portfolio of 166 patents, he has demonstrated his commitment to advancing the efficiency and reliability of communication apparatus and network systems. His work at NEC Corporation has been instrumental in driving innovation within the industry. By collaborating with other experts such as Jinsock Lee and Hiroaki Aminaka, Hamabe continues to push the boundaries of radio communication technology. With his dedication and exceptional inventiveness, Kojiro Hamabe is undoubtedly a key figure in the world of innovations and patents.

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