P

Inventor

YAMAGATA HISAO

JP8 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGATA HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CITIZEN WATCH CO LTD

5 patents
US4170104AOct 9, 1979

Switch mechanism for wristwatch

CITIZEN WATCH CO LTD164 citations97
US5305503AApr 26, 1994

Buckle for watch bands

CITIZEN WATCH CO LTD50 citations91
US4268913AMay 19, 1981

Electronic calculator watch

CITIZEN WATCH CO LTD22 citations80
US4234948ANov 18, 1980

Watchglass fixing structure

CITIZEN WATCH CO LTD22 citations79
US4397568AAug 9, 1983

Timepiece push-button structure

CITIZEN WATCH CO LTD4 citations61

KOKUSAI DENSHIN DENWA CO LTD

1 patent
US5182748AJan 26, 1993

Protocol conversion system

KOKUSAI DENSHIN DENWA CO LTD57 citations93

RENESAS TECH CORP

1 patent
US7704790B2Apr 27, 2010

Method of manufacturing a carrier member for electronic components

RENESAS TECH CORP2 citations56

HITACHI LTD

1 patent
US6787374B2Sep 7, 2004

Semiconductor device manufacturing method and semiconductor device sorting system to be used with the same

HITACHI LTD0 citations41