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Inventors
Takaaki Kakitsuka
Tokyo
JP
7 patents
8 Patents
US12095227
2024
Optical Device
Nippon Telegraph And Telephone Corporation
0 cites
US12068579
2024
Semiconductor Laser
Nippon Telegraph And Telephone Corporation
0 cites
US12051884
2024
Semiconductor Optical Element
Nippon Telegraph And Telephone Corporation
0 cites
US12027818
2024
Semiconductor Laser
Nippon Telegraph And Telephone Corporation
0 cites
US11855410
2023
Semiconductor Optical Module
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites
US11747659
2023
Optical Modulator
Nippon Telegraph And Telephone Corporation
0 cites
US11705693
2023
Semiconductor Optical Element
Nippon Telegraph And Telephone Corporation
0 cites
US11557876
2023
Semiconductor Laser
Nippon Telegraph And Telephone Corporation
0 cites