Katsumasa Sugiyama

This inventor holds 38 USPTO granted patents and 3 published patent applications, plus 6 CIPO patents and 24 EPO patents, primarily in Wireless Communication. Top assignee: Fujitsu Corporation. Active years: 2006-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumasa Sugiyama. Retrieved from https://idiyas.com/inventor/katsumasa-sugiyama

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

USPTO Granted Patents = 38 (Patent Applications = 3)

% Patents Active = 71.1

CIPO Patents = 6

EPO Patents = 24 (Patent Applications = 35)

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 39(Granted Patents)

Location History:

Kawasaki, JP (2006 - 2018)
Kanagawa, JP (2017 - 2021)

Company Filing History:

38 out of 39,378

Fujitsu Corporation

patents

Years Active: 2006-2021

Loading Chart...

Areas of Expertise:

Wireless Communication

Base Station

Mobile Station

Communication Method

Buffer State Reporting

Relay Station

Transmission Method

Packet Data Dropping

Communication System

Receiving Apparatus

Transmitting Method

Cell Selection

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11202280 - Reporting method of terminal buffer state report (BSR), obtaining method for obtaining BSR from base station, and corresponding terminal, base station, communication system (2021-12-14),

2. 10440690 - Reporting method of terminal buffer state report (BSR), obtaining method for obtaining BSR from base station, and corresponding terminal, base station, communication system (2019-10-08),

3. 10051669 - Communication duration configuring method, relay station, and mobile communication system (2018-08-14),

4. 9820191 - Base station, mobile station, communication system, transmission method and reordering method (2017-11-14),

5. 9756614 - Reporting method of terminal buffer state report (BSR), obtaining method for obtaining BSR from base station, and corresponding terminal, base station, communication system (2017-09-05),

6. 9516515 - Communication duration configuring method, relay station, base station, and mobile communication system (2016-12-06),

7. 9504094 - Base station, communication system, and communication method (2016-11-22),

8. 9467904 - Mobile station, base station, and communication method (2016-10-11),

9. 9451544 - Base station, radio terminal and radio communication system (2016-09-20),

10. 9288014 - Communication apparatus, transmitting method and receiving method (2016-03-15),

11. 9253687 - Base station, mobile station, communication system, transmission method and reordering method (2016-02-02),

12. 9204348 - Method for dropping packet data, radio communication device, and mobile communication system (2015-12-01),

13. 9173243 - Wireless communication system, relay station, base station, and wireless communication method (2015-10-27),

14. 9118479 - Mobile communication system (2015-08-25),

15. 9100875 - Base station, mobile station, communication system, transmission method and reordering method (2015-08-04),

Title: Innovations of Katsumasa Sugiyama: A Pioneer in Communication Systems

Introduction

Katsumasa Sugiyama, based in Kawasaki, Japan, is a prolific inventor credited with 38 patents in the field of communication technology. His innovative contributions have significantly advanced the efficiency and effectiveness of communication systems.

Latest Patents

Sugiyama's most recent patents include innovative methods and systems for reporting the state of terminal buffers. One of his notable inventions, the "Reporting Method of Terminal Buffer State Report (BSR)," enhances how terminals interact with base stations. This technology involves a terminal equipped with a memory that stores different buffer status tables, allowing for flexibility in communication based on varying data loads. Another significant patent details the method for obtaining BSR from a base station, which streamlines how buffer status reports are gathered and transmitted in mobile communications.

Career Highlights

Katsumasa Sugiyama is currently employed at Fujitsu Corporation, a leader in technology and telecommunications. Throughout his career, Sugiyama has consistently focused on enhancing communication systems, yielding a substantial portfolio of patents that illustrate his expertise in the field.

Collaborations

During his tenure at Fujitsu, Sugiyama has worked closely with fellow innovators Yoshiaki Ohta and Yoshiharu Tajima. Their collective efforts have produced groundbreaking advancements in communication technology, showcasing the power of collaboration in driving innovation.

Conclusion

Katsumasa Sugiyama represents the forefront of innovation in communication technology. With 38 patents to his name, his work at Fujitsu Corporation continues to shape the industry's landscape, making significant contributions that benefit both companies and consumers. As he develops new technologies, Sugiyama’s influence on the future of communication systems is poised to grow even further.

Profile summary based on public USPTO records.