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Inventor

Sigeo Sasaki

Inventor
Kyoto, JP

Overview

3→
Patents
1987–1988
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.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer75%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%
PatentTitleYear
4,791,484'Tape cartridge case composition for reducing modulation noise'19884,660,784'Tap cartridge'19874,635,879'Tape cassette'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to HITACHI MAXELL (3)· patent assignee history
1987Patents assigned to HITACHI LTD (1)· patent assignee history
1987–1988Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI MAXELL31987–1988
HITACHI LTD11987
Locations
LocationPatentsSpan
Kyoto, JP31987–1988