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Inventor

Jiro Ichikawa

Inventor
Chita, JP

Overview

3→
Patents
1988–1997
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.

B29Bprimary
B29BPreparation or pretreatment of the material to be shaped18%
B29CShaping or joining of plastics18%
D02GCrimping or curling fibres, filaments, threads, or yarns18%
D10BIndexing scheme associated with sublasses of section d, relating to textiles18%
Y10TTechnical subjects covered by former us classification18%
C22CAlloys9%
PatentTitleYear
5,639,421'High-hardness precipitation hardening steel for metallic mold'19975,076,872'Process for preparing a flexible composite material'19914,770,915'Flexible composite material and process for preparing same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to FUJI OIL CO LTD (2)· patent assignee history
1988–1991Patents assigned to FUJI STANDARD RES INC (2)· patent assignee history
1988Patents assigned to DAIDO STEEL CO LTD (1)· patent assignee history
1988–1997Based in Chita, JP· patent location history
1991Patents assigned to ACROSS CO (1)· patent assignee history
1997Patents assigned to DAIDO TOKUSHUKO KABUSHHIKI KAI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI OIL CO LTD21988–1991
FUJI STANDARD RES INC21988–1991
ACROSS CO11991
DAIDO STEEL CO LTD11988
DAIDO TOKUSHUKO KABUSHHIKI KAI11997
Locations
LocationPatentsSpan
Chita, JP31988–1997