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Inventor

Seisuke Kamei

Inventor
Atsugi, JP

Overview

3→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Hprimary
H01HElectric switches67%
G02BOptical elements, systems or apparatus33%
PatentTitleYear
10,908,356Optical device having a fiber array, and method of alignment thereof20214,529,849'Push-button switch and a keyboard comprising the same'19854,370,533'Keyboard switch and process for production thereof'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1985Patents assigned to FUJITSU LTD (2)· patent assignee history
1983Based in Nagano, JP· patent location history
1985Based in Suzaka, JP· patent location history
2021Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
2021Patents assigned to NTT ELECTRONICS CORP (1)· patent assignee history
2021Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD21983–1985
NIPPON TELEGRAPH & TELEPHONE12021
NTT ELECTRONICS CORP12021
Locations
LocationPatentsSpan
Atsugi, JP12021
Suzaka, JP11985
Nagano, JP11983