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National Institute of Information and Communication

USPTO Granted Patents = 1

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Tetsuya Kawanishi (1 out of 57 patents)

Kaoru Higuma (1 out of 17 patents)

Paul Kit Lai Yu (1 out of 3 patents)

4. Jianxiao Chen (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 7657139 - Y-junction reflector tunable delay or resonator waveguide devices (2010-02-02),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#5,734 in Tokyo

#15,549 in Japan

National Institute of Information and Communication

Forward Citations = 1

4 inventors:

Tetsuya Kawanishi (1 out of 57 patents)

Kaoru Higuma (1 out of 17 patents)

Paul Kit Lai Yu (1 out of 3 patents)

4. Jianxiao Chen (1 out of 1 patent)

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