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Inventor

Shigeru Wakana

Inventor
Mobara, JP

Overview

3→
Patents
1988–1990
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties67%
H01JElectric discharge tubes or discharge lamps33%
PatentTitleYear
4,890,481'System for measuring foreign materials in liquid'19904,779,451'System for measuring foreign materials in liquid'19884,717,853'Projection tube whose coolant contains an ethylene oligomer'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1990Patents assigned to HITACHI LTD (3)· patent assignee history
1988–1990Based in Mobara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31988–1990
Locations
LocationPatentsSpan
Mobara, JP31988–1990