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Inventors
Keizo Takemasa
Kawasaki
JP
4 patents
4 Patents
US12548983
2026
Optical Semiconductor Device and Semiconductor Laser Device
QD LASER, Inc.
0 cites
US12360405
2025
Optical Semiconductor Device
QD LASER, Inc.
0 cites
US12149053
2024
Semiconductor Device
QD LASER, Inc.
0 cites
US11764546
2023
Semiconductor Laser Device
QD LASER, Inc.
0 cites