Inventor

Katsumi Tamai

Inventor
Otake, JP

Overview

3→
Patents
1976–1985
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.

B29Cprimary
B29CShaping or joining of plastics20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
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. inserts10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles10%
C08JWorking-up10%
C08LCompositions of macromolecular compounds10%
G02BOptical elements, systems or apparatus10%
G11BInformation storage based on relative movement between record carrier and transducer10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to MITSUBISHI RAYON CO (3)· patent assignee history
1976–1985Based in Otake, JP· patent location history
1985Based in Ohtake, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI RAYON CO31976–1985
Locations
LocationPatentsSpan
Otake, JP21976–1985
Ohtake, JP11985