Koichi Tsunekawa

This inventor holds 16 USPTO granted patents and 4 published patent applications, plus 3 CIPO patents and 3 EPO patents. Top assignees: Sharp Kabushiki Kaisha Corporation, Ntt Mobile Communications Network, Inc., Mitsubishi Denki Kabushiki Kaisha. Active years: 1994-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Tsunekawa. Retrieved from https://idiyas.com/inventor/koichi-tsunekawa

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

USPTO Granted Patents = 16 (Patent Applications = 4)

% Patents Active = 100.0

CIPO Patents = 3

EPO Patents = 3 (Patent Applications = 6)

Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 479(Granted Patents)

Location History:

Kanagawa, JP (1994 - 1995)
Yokosuka, JP (1996 - 1999)
Osaka, JP (2014 - 2016)

Company Filing History:

7 out of 25,949

Sharp Kabushiki Kaisha Corporation

patents

6 out of 247

Ntt Mobile Communications Network, Inc.

patents

2 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

4. 2 out of 5,300

Nippon Telegraph and Telephone Corporation

Telephone Corporation

patents

where one patent can have more than one assignee

Years Active: 1994-2016

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9240869 - Wireless communication system (2016-01-19),

2. 9215698 - Communication terminal, base station, wireless communication system, control method and program therefor, and recording medium having control program recorded thereon (2015-12-15),

3. 9113372 - Wireless communication system, base station apparatus, communication apparatus, and communication control program (2015-08-18),

4. 8897799 - Wireless communication system, wireless communication apparatus, and wireless communication method (2014-11-25),

5. 8804648 - Wireless communication system, base station apparatus, mobile station apparatus, communication control method, and communication control program (2014-08-12),

6. 8687537 - Communication system, reception device, and communication method (2014-04-01),

7. 8655264 - Communication system, base station device, mobile station device, and communication method (2014-02-18),

8. 5917450 - Antenna device having two resonance frequencies (1999-06-29),

9. 5872546 - Broadband antenna using a semicircular radiator (1999-02-16),

10. 5767810 - Microstrip antenna device (1998-06-16),

11. 5684492 - Antenna device having a band pass filter (1997-11-04),

12. 5617105 - Antenna equipment (1997-04-01),

13. 5568155 - Antenna devices having double-resonance characteristics (1996-10-22),

14. 5434579 - Inverted F antenna with non-contact feeding (1995-07-18),

15. 5412392 - Portable radio unit having strip antenna with parallel twin-lead feeder (1995-05-02),

Title: Koichi Tsunekawa: Innovator in Wireless Communication

Introduction

Koichi Tsunekawa is a prominent inventor based in Yokosuka, Japan. He has made significant contributions to the field of wireless communication, holding a total of 16 patents. His innovative work has paved the way for advancements in communication technologies.

Latest Patents

One of Tsunekawa's latest patents involves a wireless communication system that enables a terminal device and a base station device to communicate using selected frequency bands from a plurality of options. The base station device is designed to select frequency bands for both downlink and uplink communications, ensuring efficient data transmission. Additionally, he has developed a control method for a wireless communication system that utilizes multiple discontinuous frequency bands, allowing for accurate control of communication quality.

Career Highlights

Throughout his career, Koichi Tsunekawa has worked with notable companies such as Sharp Corporation and NTT Mobile Communications Network, Inc. His experience in these organizations has contributed to his expertise in wireless communication technologies.

Collaborations

Tsunekawa has collaborated with esteemed colleagues, including Katsutoshi Ishikura and Toshiaki Kameno. Their joint efforts have further enhanced the development of innovative communication solutions.

Conclusion

Koichi Tsunekawa's contributions to wireless communication demonstrate his commitment to innovation and technology. His patents and collaborations reflect a dedication to advancing communication systems for the future.

Profile summary based on public USPTO records.