Inventor
YAGINUMA SADAYUKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “YAGINUMA SADAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ALPINE CO LTD
8 patentsUS11042179B1Jun 22, 2021
Multidirectional input device
ALPS ALPINE CO LTD7 citations82
US12088986B2Sep 10, 2024
Input device
ALPS ALPINE CO LTD0 citations60
US11221640B2Jan 11, 2022
Multidirectional input device
ALPS ALPINE CO LTD1 citations60
US12242675B2Mar 4, 2025
Multi-way input device
ALPS ALPINE CO LTD0 citations50
US11740649B2Aug 29, 2023
Multidirectional input device
ALPS ALPINE CO LTD0 citations50
US11417478B2Aug 16, 2022
Multidirectional input apparatus with switch and multidirectional input system with switch
ALPS ALPINE CO LTD0 citations50
US12510979B2Dec 30, 2025
Input device
ALPS ALPINE CO LTD0 citations49
US12461605B2Nov 4, 2025
Input device
ALPS ALPINE CO LTD0 citations49
ALPS ELECTRIC CO LTD
2 patentsUS6909062B2Jun 21, 2005
Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness
ALPS ELECTRIC CO LTD3 citations59
US6777634B2Aug 17, 2004
Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness
ALPS ELECTRIC CO LTD3 citations59