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Inventor

Shigeaki Wada

Inventor
Kadoma, JP

Overview

9→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps80%
G06FElectric digital data processing10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
11,016,626Input device20215,747,945'Electrodeless discharge lamp utilizing induced electric field generated by a high frequency electromagnetic field'19985,519,285'Electrodeless discharge lamp'19965,500,571'Metal vapor discharge lamp'19965,367,226'Electrodeless discharge lamp having a concave recess and foil electrode formed therein'19945,256,940'High intensity discharge lamp device'19934,724,361'High pressure discharge lamp'19884,434,385'Discharge lamp device'19844,417,172'Low pressure discharge lamp'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1998Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (8)· patent assignee history
1983–1996Based in Osaka, JP· patent location history
1984Based in Neyagawa, JP· patent location history
1993–1998Based in Kadoma, JP· patent location history
2021Patents assigned to ALPS ALPINE CO LTD (1)· patent assignee history
2021Based in Santa Clara, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC WORKS LTD81983–1998
ALPS ALPINE CO LTD12021
Locations
LocationPatentsSpan
Kadoma, JP41993–1998
Osaka, JP31983–1996
Santa Clara, California, US12021
Neyagawa, JP11984