RK

Ryuji Kajihara

NC Nihon Dempa Kogyo Co.: 2 patents #136 of 296Top 50%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #1,511,190 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9450564 Elastic wave filter — 2016-09-20
7710221 Elastic wave device — 2010-05-04
5977846 Unidirectional surface acoustic wave filter Yasushi Yamamoto 1999-11-02