YH

Yasukazu Hamano

CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
EN Enplas: 1 patents #150 of 255Top 60%
Overall (All Time): #2,108,809 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7969850 Optical element, optical pickup device comprising the same, and unnecessary light elimination method — 2011-06-28
5561441 Liquid crystal display device — 1996-10-01