Inventor
YAMADA SHIGEHIRO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA SHIGEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
3 patentsUS7099085B2Aug 29, 2006
Optical pick-up apparatus and semiconductor laser apparatus
SHARP KK14 citations81
US5272329ADec 21, 1993
Optical pickup device using a holographic optical element and an amplifier
SHARP KK5 citations60
US6847665B2Jan 25, 2005
Semiconductor laser device and method for producing the same
SHARP KK3 citations57