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Inventor

Tokuji Hayase

Inventor
Chigasaki, JP

Overview

3→
Patents
1978–1985
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.

Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
C03CChemical composition of glasses, glazes or vitreous enamels14%
C04BLime, magnesia14%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons14%
H01QAntennas, i.e. radio aerials14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
4,507,354'Electromagnetic wave absorbers of silicon carbide fibers'19854,440,571'Process for the surface treatment of inorganic fibers for reinforcing titanium or nickel and product'19844,117,051'Carbon article manufacturing method'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1985Patents assigned to NIPPON CARBON CO LTD (3)· patent assignee history
1978Based in Fujisawa, JP· patent location history
1984–1985Based in Chigasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CARBON CO LTD31978–1985
Locations
LocationPatentsSpan
Chigasaki, JP21984–1985
Fujisawa, JP11978