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Forward Citations = 39

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13 inventors (with patents filed for the assignee):

Sakari Ohira (6 out of 12 patents)

Fujio Sumi (6 out of 6 patents)

Kenichi Suzuki (3 out of 31 patents)

4. Nobuo Sekiguchi (2 out of 3 patents)

5. Kazuo Suzuka (2 out of 4 patents)

6. Mitsuo Shiraishi (2 out of 6 patents)

7. Osamu Suzuki (2 out of 3 patents)

8. Takashi Kurokawa (1 out of 2 patents)

9. Katsumi Takahashi (1 out of 1 patent)

10. Kiyoyuki Isawa (1 out of 1 patent)

11. Norio Takahashi (1 out of 1 patent)

12. Kouichi Ishikawa (1 out of 1 patent)

13. Susumu Nakabayashi (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5697049 - Radio relay method, radio relay system using the method and radio unit (1997-12-09),

2. 5633862 - DTMF signal transmission method in single frequency simultaneous (1997-05-27),

3. 5524274 - Transceiver controlled by absence/presence of input signal (1996-06-04),

4. 5493698 - Radio apparatus for simulataneously transmitting and receiving signals (1996-02-20),

5. 5490167 - Duplex voice communication radio transmitter-receiver (1996-02-06),

6. 5355363 - Voice transmission method and apparatus in duplex radio system (1994-10-11),

Fuji-tekku Kabushiki Kaisha is a leading manufacturer of high-quality metal products, specializing in precision engineering and fabrication. With state-of-the-art facilities and a team of skilled professionals, we provide innovative solutions to meet our customers' unique needs. Our commitment to excellence and customer satisfaction has earned us a reputation for reliability and quality in the industry.

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USPTO Data Jan 1 1976 - Dec 2 2025

6 Patents

#2,218 in Tokyo

#5,839 in Japan

Tokyo, Japan

Fuji-tekku Kabushiki Kaisha