YK

Yu Kayanuma

CC Citizen Electronics Co.: 3 patents #102 of 252Top 45%
CC Citizen Watch Co.: 2 patents #460 of 1,225Top 40%
CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%
📍 Yamanashi, JP: #937 of 1,957 inventorsTop 50%
Overall (All Time): #1,397,935 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D995455 Light emitting diode Takahiro Hori, Tatsuro Yamada, Kenichi Kikuchi, Yasuaki Kayanuma 2023-08-15
D776304 Light source Shingo Kuriki 2017-01-10
D773075 Light source Shingo Kuriki 2016-11-29