Inventor
ZHENG YUJIN
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG YUJIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMAMATSU PHOTONICS KK
9 patentsUS7424044B2Sep 9, 2008
Semiconductor laser device
HAMAMATSU PHOTONICS KK10 citations83
US7586968B2Sep 8, 2009
Heater-attached alkali-encapsulated cell and alkali laser apparatus
HAMAMATSU PHOTONICS KK3 citations62
US12155177B2Nov 26, 2024
External resonator-type semiconductor laser device
HAMAMATSU PHOTONICS KK0 citations61
US7197058B2Mar 27, 2007
Semiconductor laser apparatus
HAMAMATSU PHOTONICS KK2 citations61
US7622694B2Nov 24, 2009
Laser beam machine
HAMAMATSU PHOTONICS KK3 citations57
US7693206B2Apr 6, 2010
Semiconductor laser device including laser array or stack first collimator, path rotator, and an optical element
HAMAMATSU PHOTONICS KK1 citations51
US7489447B2Feb 10, 2009
Optical condenser device
HAMAMATSU PHOTONICS KK1 citations51
US9882354B2Jan 30, 2018
Semiconductor laser device
HAMAMATSU PHOTONICS KK0 citations40
US7733570B2Jun 8, 2010
Condenser
HAMAMATSU PHOTONICS KK0 citations40