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Inventor

Kiyoshi Konno

Inventor
Hitachi, JP

Overview

3→
Patents
1986–1990
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

B41Jprimary
B41JTypewriters20%
G11BInformation storage based on relative movement between record carrier and transducer20%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,907,015'Thermal printing head'19904,651,172'Information recording medium'19874,614,692'Fuel cell electrode, process for producing the same and fuel cell using the same'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to HITACHI LTD (3)· patent assignee history
1986–1987Based in Hitachi, JP· patent location history
1990Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31986–1990
Locations
LocationPatentsSpan
Hitachi, JP21986–1987
Hyogo, JP11990