KY

Kazuyoshi Yamagata

AC Alps Alpine Co.: 4 patents #64 of 525Top 15%
AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
Overall (All Time): #622,174 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11764009 Device and switch device 2023-09-19
11454754 Switch device and operation device 2022-09-27
11037744 Switch device 2021-06-15
11007930 Lighting device 2021-05-18
5893633 Light-emitting apparatus and method of producing the same Masatoshi Uchio, Junichi Saito 1999-04-13
5841154 Light-emitting diode device with reduced scatter Masatoshi Uchio, Yuichi Umeda, Junichi Saito 1998-11-24
5835209 Relative-angle detection apparatus Yuichi Umeda, Masatoshi Uchio, Junichi Saito 1998-11-10
5066842 Key top Masaaki Kageyama, Kyoichi Kaneko 1991-11-19