Inventor
KAGEYAMA MASAAKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KAGEYAMA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
5 patentsUS5066842ANov 19, 1991
Key top
ALPS ELECTRIC CO LTD9 citations72
USD386488SNov 18, 1997
Data entry keyboard
ALPS ELECTRIC CO LTD6 citations71
US6597344B1Jul 22, 2003
Key switch disposed on keyboard input device and method of producing the same
ALPS ELECTRIC CO LTD6 citations61
US6483050B1Nov 19, 2002
Key switch with easily attachable key top
ALPS ELECTRIC CO LTD6 citations61
US6312176B2Nov 6, 2001
Keyboard apparatus
ALPS ELECTRIC CO LTD3 citations57