Inventor

KATAYAMA KATSUYUKI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KATAYAMA KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPS ELECTRIC CO LTD

2 patents

US6087604AJul 11, 2000

Thin keyboard

ALPS ELECTRIC CO LTD9 citations72

USD386488SNov 18, 1997

Data entry keyboard

ALPS ELECTRIC CO LTD6 citations71

WATANABE KAZUTOSHI

1 patent

US8334794B2Dec 18, 2012

Input device and keyboard device having illumination function

WATANABE KAZUTOSHI13 citations81