Trademarks = 4

Forward Citations = 50

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6 inventors (with patents filed for the assignee):

Shiro Fujiki (3 out of 6 patents)

Hideo Takei (2 out of 2 patents)

Makoto Yamaguchi (1 out of 37 patents)

4. Yoshio Sakamoto (1 out of 35 patents)

5. Koji Akiyama (1 out of 10 patents)

6. Yoshitsune Iitsuka (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6542759 - Radio communication apparatus and method for radio communication (2003-04-01),

2. 6188891 - Radio communication apparatus and method for radio communication (2001-02-13),

3. 5990841 - Wide-band antenna and tuning method (1999-11-23),

4. 5627449 - Electronic device, battery pack and charger for the battery pack (1997-05-06),

5. 4479257 - Superheterodyne circuit having variable bandwidth and center frequency (1984-10-23),

Yaesu Musen Co., Ltd. is a Japanese manufacturer of amateur radio equipment and communication products. Founded in 1956, the company is known for its high-quality and innovative products, including transceivers, antennas, and accessories. Yaesu has a strong presence in the global market and is a popular choice among amateur radio enthusiasts.

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USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#2,449 in Tokyo

#6,488 in Japan

Tokyo, Japan

Yaesu Musen Co., Ltd.