Inventor

KAIWA RYOUICHI

JP3 patents

Patents

3 patents

US6748243B1Jun 8, 2004

Folding portable telephone apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD75 citations95

US6807275B1Oct 19, 2004

Folding portable telephone apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations91

US6137259AOct 24, 2000

Battery pack with water leakage detecting seal

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations58