Kazuo Kawabata

This inventor holds 76 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 31 EPO patents, primarily in Wireless Communication (CPC class H04L). Top assignees: Fujitsu Corporation, Fijitsu Limited. Active years: 1993-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Kawabata. Retrieved from https://idiyas.com/inventor/kazuo-kawabata

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

USPTO Granted Patents = 76 (Patent Applications = 5)

% Patents Active = 55.3

CIPO Patents = 1

EPO Patents = 31 (Patent Applications = 21)

Average Co-Inventor Count = 3.1

ph-index = 12

Forward Citations = 414(Granted Patents)

Forward Citations (Not Self Cited) = 354(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa, JP (2003 - 2012)
Yokohama, JP (2012 - 2015)
Kawasaki, JP (1993 - 2017)

Company Filing History:

Years Active: 1993-2017

Loading Chart...

Areas of Expertise:

Wireless Communication

Multicarrier Transmission

Control Channel Methods

Mobile Control Devices

Radio Communication

Handover Control

Base Station

Transceiver Station

Data Streams

Communication Apparatus

Access Gateway

Scheduling System

76 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9775133 - Broadcast and multicast service communication method, base station, and mobile station (2017-09-26),

2. 9655128 - Radio communications system (2017-05-16),

3. 9554385 - Communications apparatus and communications system using multicarrier transmission mode (2017-01-24),

4. 9313790 - Communications apparatus and communications system using multicarrier transmission mode (2016-04-12),

5. 9191089 - Control channel information transmission method, and base station and terminal using the same method (2015-11-17),

6. 9112560 - Control channel information transmission method, and base station and terminal using the same method (2015-08-18),

7. 9094201 - Transmission controlling method, sender apparatus and receiver apparatus for wireless communication system (2015-07-28),

8. 9055494 - Mobile control device and handover control method (2015-06-09),

9. 9042351 - Radio communication apparatus (2015-05-26),

10. 9036593 - Communications apparatus and communications system using multicarrier transmission mode (2015-05-19),

11. 9025509 - Mobile wireless communication system, access gateway, wireless base station, and mobile wireless communication control method (2015-05-05),

12. 8996026 - Scheduling system for radio communication networks (2015-03-31),

13. 8903011 - Control channel information transmission method, and base station and terminal using the same method (2014-12-02),

14. 8832514 - Transmission controlling method, sender apparatus and receiver apparatus for wireless communication system (2014-09-09),

15. 8806286 - Transmission controlling method, sender apparatus and receiver apparatus for wireless communication system (2014-08-12),

Title: **Kazuo Kawabata – A Visionary Innovator in Communication Technology**

Introduction

Kazuo Kawabata is a renowned inventor from Kawasaki, Japan, known for his significant contributions to communication technologies. With an impressive portfolio of 76 patents, his work has greatly influenced the field of mobile communication and multimedia transmission.

Latest Patents

Among his latest patents are two notable innovations:

1. **Broadcast and multicast service communication method, base station, and mobile station** – This patent details a method for controlling broadcast and multicast service communication. It involves transmitting request signaling information from a mobile station to a base station using specific preamble codes and includes multiple functionalities such as discriminating received preamble codes and transmitting reception completion responses to mobile stations.

2. **Radio communications system** – This invention addresses the scheduling process which collectively manages various communication services. It involves sending pilot signals, collecting propagation environment data, and configuring communication functions to optimize service delivery for terminal devices based on their respective environments.

Career Highlights

Kazuo Kawabata has had a distinguished career, holding positions at notable companies such as Fujitsu Corporation and Fujitsu Limited. His innovations have not only advanced the communication sector but have also set new standards in the industry.

Collaborations

Throughout his career, Kawabata has collaborated with talented individuals, including his coworkers Kazuhisa Obuchi and Yoshihiro Kawasaki. These partnerships have fostered an environment of creativity and innovation, enhancing the quality and impact of his work.

Conclusion

Kazuo Kawabata's journey as an inventor exemplifies the spirit of innovation in the field of communication technology. His contributions, encapsulated in his numerous patents, continue to resonate within the industry, paving the way for future advancements in mobile and multimedia communication.

Profile summary based on public USPTO records.