YK

Yasuaki Kayanuma

CC Citizen Electronics Co.: 14 patents #15 of 252Top 6%
CC Citizen Watch Co.: 6 patents #168 of 1,225Top 15%
CC Citizen Holdings Co.: 4 patents #47 of 431Top 15%
📍 Yamanashi, JP: #272 of 1,957 inventorsTop 15%
Overall (All Time): #342,208 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
D995455 Light emitting diode Takahiro Hori, Tatsuro Yamada, Kenichi Kikuchi, Yu Kayanuma 2023-08-15
10024517 Lens member and light-emitting device using same Junji Miyashita, Kenji Matsumoto 2018-07-17
D807837 Light-emitting diode Tatsuro Yamada, Yuki Nishikawa, Yuki Ochiai 2018-01-16
D807838 Light-emitting diode Tatsuro Yamada, Yuki Nishikawa, Yuki Ochiai 2018-01-16
D803170 Light-emitting diode Tatsuro Yamada, Yuki Nishikawa, Yuki Ochiai 2017-11-21
D786808 Light-emitting diode Tatsuro Yamada, Yuki Nishikawa, Yuki Ochiai 2017-05-16
8851713 Lens member and optical unit using said lens member Junji Miyashita 2014-10-07
8517571 Lens member and optical unit including the same 2013-08-27
8475011 Lens member and optical unit using said lens member 2013-07-02
8220975 Lens member and optical unit using said lens member Junji Miyashita, Makoto Yasuhara 2012-07-17
8213762 Lightguide plate and lightguide plate manufacturing method Daisaku Okuwaki 2012-07-03
7932890 Lightguide plate and electronic device Akira Onikiri, Daisaku Okuwaki 2011-04-26
7019374 Small-sized image pick up module Akihito Watanabe 2006-03-28
6899469 Bidirectional optical transmission device Kazuhiro Kobayashi, Yuichiro Tanda 2005-05-31