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Inventor

Yoshinori Kaminaka

Inventor
Sagamihara, JP

Overview

4→
Patents
1977–1990
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G08Bprimary
G08BSignalling systems, e.g. personal calling systems43%
G01KMeasuring temperature14%
H01HElectric switches14%
H01JElectric discharge tubes or discharge lamps14%
LOCD114%
PatentTitleYear
4,937,562'Moisture-proof ionization smoke detector'19904,914,425'Highly sensitive smoke detector'1990D0256897'Smoke detector'19804,020,442'Composite-type heat-system fire sensing device'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1990Patents assigned to HOCHIKI CO (4)· patent assignee history
1977Based in Tokyo, JP· patent location history
1980–1990Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOCHIKI CO41977–1990
Locations
LocationPatentsSpan
Sagamihara, JP31980–1990
Tokyo, JP11977