Inventor
KONDOW MASAHIKO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KONDOW MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS5937274AAug 10, 1999
Fabrication method for AlGaIn NPAsSb based devices
HITACHI LTD135 citations98
US5912913AJun 15, 1999
Vertical cavity surface emitting laser, optical transmitter-receiver module using the laser, and parallel processing system using the laser
HITACHI LTD105 citations97
US6697405B2Feb 24, 2004
Vertical cavity surface emitting lasers, optical modules and systems
HITACHI LTD20 citations92
US6782032B2Aug 24, 2004
Semiconductor laser, ray module using the same and ray communication system
HITACHI LTD14 citations83
US5157679AOct 20, 1992
Optoelectronic devices
HITACHI LTD15 citations73
US5300793AApr 5, 1994
Hetero crystalline structure and semiconductor device using it
HITACHI LTD16 citations72
US4841531AJun 20, 1989
Semiconductor laser device
HITACHI LTD13 citations72
US4794606ADec 27, 1988
Opto-electronic device
HITACHI LTD13 citations72