P

Inventor

WATANABE KEIZO

JP12 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

3 patents
US5535425AJul 9, 1996

Channel switching control in mobile telecommunication system

FUJITSU LTD70 citations94
US6738359B1May 18, 2004

Communication format control method and apparatus

FUJITSU LTD5 citations61
US8374620B2Feb 12, 2013

Frequency allocation method in wireless base station apparatus and wireless base station apparatus

FUJITSU LTD3 citations60

SANSHIN ELECTRIC CO LTD

3 patents
US4467671AAug 28, 1984

Release mechanism for a push-button tuner

SANSHIN ELECTRIC CO LTD3 citations61
US4492125AJan 8, 1985

Push-button tuner

SANSHIN ELECTRIC CO LTD0 citations50
US4487084ADec 11, 1984

Push-button type tuner

SANSHIN ELECTRIC CO LTD0 citations40

CLEANUP CORP

1 patent
US5172970ADec 22, 1992

Electric locker apparatus with emergency unlocking

CLEANUP CORP62 citations91

SHARP KK

1 patent
US6717645B2Apr 6, 2004

LCD with electrodes(s) for producing transverse electric field component

SHARP KK15 citations79

CHRYSLER CORP

1 patent
USD345565SMar 29, 1994

Front panel for a combined radio receiver and compact disc player

CHRYSLER CORP4 citations59

AUTONETWORKS TECHNOLOGIES LTD

1 patent
US12005814B2Jun 11, 2024

Power supply device

AUTONETWORKS TECHNOLOGIES LTD0 citations50

WATANABE KEIZO

1 patent
US8463266B2Jun 11, 2013

Cell selection method, mobile station device and mobile communication system in hierarchical cell structure

WATANABE KEIZO1 citations45

HITACHI LTD

1 patent
US8004411B2Aug 23, 2011

Method for manufacturing radio frequency IC tag and antenna

HITACHI LTD0 citations41