Inventor

KAIWA RYOICHI

JP9 patents

Patents

9 patents

US6451474B1Sep 17, 2002

Resiliently deformable battery pack

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD122 citations96

US6490436B1Dec 3, 2002

Battery pack removing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD52 citations91

US4881258ANov 14, 1989

Portable type mobile radio telephone

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations91

US4670633AJun 2, 1987

Keyboard assembly with lighting

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations91

US5327584AJul 5, 1994

Portable radio having cover releasing mechanism and receive switch which are operable together

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations90

US5046131ASep 3, 1991

Portable radio transceiver apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations72

US5335367AAug 2, 1994

Antenna retracting structure of portable radio

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations71

US4609790ASep 2, 1986

Locking apparatus for telephone

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations71

US6204631B1Mar 20, 2001

Interconnection structure between portable telephone and battery pack

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations60