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Inventor

Norifumi Matsumiya

Inventor
Osaka, JP

Overview

3→
Patents
1986–1990
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 plastics22%
G02BOptical elements, systems or apparatus22%
A61BDiagnosis11%
A61MDevices for introducing media into, or onto, the body11%
B29DProducing particular articles from plastics or from substances in a plastic state11%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
4,892,099'Catheter'19904,828,359'Alkyl methacrylate homo - or copolymer optical waveguide for illumination and production of the same'19894,568,146'Plastic optical fiber and production thereof'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (3)· patent assignee history
1986–1989Based in Osaka, JP· patent location history
1990Based in Konohana-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES31986–1990
Locations
LocationPatentsSpan
Osaka, JP21986–1989
Konohana-ku, JP11990