Inventor

Kichinojyo Tomitaka

Inventor

Yokohama, JP

Overview

5→

Patents

1986–1992

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B29Cprimary

B29CShaping or joining of plastics16%

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. inserts16%

C08JWorking-up16%

G11BInformation storage based on relative movement between record carrier and transducer16%

Y10TTechnical subjects covered by former us classification16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

G03CPhotosensitive materials for photographic purposes5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

5,139,727'Process for producing biaxially oriented polyester film'1992 4,865,898'Polyester film for magnetic recording media'1989 4,680,217'Polyester film for magnetic recording media'1987 4,677,188'Transparent slippery biaxially stretched polyester film'1987 4,610,833'Process for preparing biaxially stretched polyester films'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to DIAFOIL CO LTD (4)· patent assignee history

1986–1987Based in Kawasaki, JP· patent location history

1987–1992Based in Yokohama, JP· patent location history

1992Patents assigned to DAIFOIL COMPANY LIMITED (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DIAFOIL CO LTD	4	1986–1989
DAIFOIL COMPANY LIMITED	1	1992

Locations

Location	Patents	Span
Yokohama, JP	3	1987–1992
Kawasaki, JP	2	1986–1987