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Inventor

Tadashi Wagatsuma

Inventor
Furukawa, JP

Overview

6→
Patents
1978–2004
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H01Hprimary
H01HElectric switches45%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
G01CMeasuring distances, levels or bearings9%
H05KPrinted circuits9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
6,706,978'Tilt detector'20044,770,296'Seal construction for electrical parts'19884,749,827'Slider of a slide switch'19884,282,415'Rotary pulse switch'19814,275,279'Switch assembly having printed circuit rotor and integrally hinged split housing'19814,121,477'Indexing mechanism'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2004Patents assigned to ALPS ELECTRIC CO LTD (6)· patent assignee history
1978–1988Based in Furukawa, JP· patent location history
2004Based in Miyagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD61978–2004
Locations
LocationPatentsSpan
Furukawa, JP51978–1988
Miyagi, JP12004