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Yokosuka, Japan

Koichi Tsunekawa

USPTO Granted Patents = 16 (Patent Applications = 4)

CIPO Patents = 3

EPO Patents = 3 (Patent Applications = 6)

Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 473(Granted Patents)

Location History:

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

Company Filing History:

7 out of 25,560

Sharp Kabushiki Kaisha Corporation

Ntt Mobile Communications Network, Inc.

Nippon Telegraph and Telephone Corporation

4. 2 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Telephone Corporation

Nippon Telegraph

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),

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