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Inventor

Yasuyuki Masui

Inventor
Kumamoto, JP

Overview

15→
Patents
1980–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Hprimary
H01HElectric switches81%
A61BDiagnosis6%
G04BMechanically-driven clocks or watches6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
9,142,373'Electromagnetic relay'20159,123,494'Electromagnetic relay'20159,082,575'Electromagnetic relay'20159,076,617'Electromagnetic relay'20158,928,438'Electromagnetic relay'20158,823,474'Contact switching mechanism and electromagnetic relay'20148,558,647'Sealing structure of terminal member, electromagnetic relay, and method of manufacturing the same'20137,286,031'Supporting structure of fixed contact terminals'20077,157,995'Switching device'20077,023,306'Electromagnetic relay'20066,975,194'Switching device'20056,768,405'Switching device'20046,756,869'Housing for plural relay switches'20044,513,753'Heartbeat rate indicator'19854,222,228'Waterproofed watchcase construction'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1985Patents assigned to SEIKO INSTR & ELECTRONICS (2)· patent assignee history
1980–1985Based in Tokyo, JP· patent location history
2004–2015Patents assigned to OMRON TATEISI ELECTRONICS CO (13)· patent assignee history
2004–2007Based in Otsu, JP· patent location history
2004Based in Kyoto, JP· patent location history
2013–2015Patents assigned to MASUI YASUYUKI (4)· patent assignee history
2013–2015Patents assigned to SHINKAI TETSUO (4)· patent assignee history
2013–2015Patents assigned to YAMASHITA TSUKASA (4)· patent assignee history
2013–2015Based in Kumamoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OMRON TATEISI ELECTRONICS CO132004–2015
MASUI YASUYUKIself42013–2015
SHINKAI TETSUO42013–2015
YAMASHITA TSUKASA42013–2015
SEIKO INSTR & ELECTRONICS21980–1985
Locations
LocationPatentsSpan
Kumamoto, JP72013–2015
Otsu, JP52004–2007
Tokyo, JP21980–1985
Kyoto, JP12004