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Inventor

Tohru Hirano

Inventor
Sakai, JP

Overview

3→
Patents
1988–1991
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B22Fprimary
B22FWorking metallic powder17%
Y10TTechnical subjects covered by former us classification17%
B29CShaping or joining of plastics8%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C04BLime, magnesia8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C22CAlloys8%
C23CCoating metallic material8%
Y02TClimate change mitigation technologies related to transportation8%
PatentTitleYear
4,997,708'Fluororesin/metal base functionally gradient material'19914,778,649'Method of producing composite materials'19884,751,099'Method of producing a functionally gradient material'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to DAIKIN IND LTD (3)· patent assignee history
1988–1991Patents assigned to AGENCY SCIENCE & TECH (2)· patent assignee history
1988Patents assigned to NAT AEROSPACE LAB (2)· patent assignee history
1988Patents assigned to HIRAI TOSHIO (1)· patent assignee history
1988Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history
1988–1991Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIKIN IND LTD31988–1991
AGENCY SCIENCE & TECH21988–1991
NAT AEROSPACE LAB21988
HIRAI TOSHIO11988
SUMITOMO ELECTRIC INDUSTRIES11988
Locations
LocationPatentsSpan
Sakai, JP31988–1991