Inventor

SUGAWARA SHUUICHI

JP3 patents

Patents

3 patents

US5934453AAug 10, 1999

Key top holding structure

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91

US5898248AApr 27, 1999

Small motor holding device in individual calling receiver

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82

US6208730B1Mar 27, 2001

Key top attachment structure

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations50