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Inventor

Yukio Shibuya

Inventor
Tokyo, JP

Overview

6→
Patents
1979–2003
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds22%
B29CShaping or joining of plastics11%
B29DProducing particular articles from plastics or from substances in a plastic state11%
C08JWorking-up11%
G01DMeasuring not specially adapted for a specific variable11%
PatentTitleYear
6,609,309'Device for measuring the length of linear movement'20034,997,259'Light source system with uniforming device for optical fiber type lightguide'19914,984,859'Optical fiber ribbon end-structure'19914,929,169'Working equipment for roughening the side of optical fiber'19904,165,419'Metal surfaces coated with aliphatic acids containing 12 carbon atoms or more to eliminate polymer build-up on reactor walls during the polymerization of water-soluble cationic polymers'19794,164,818'Method for preventing adhesiveness of a hydrogel of a water-soluble acrylamide-type polymer'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to NITTO CHEMICAL INDUSTRY CO LTD (2)· patent assignee history
1979Based in Yokohama, JP· patent location history
1990–1991Patents assigned to MITSUBISHI RAYON CO (3)· patent assignee history
1990–1991Based in Tokyo, JP· patent location history
2003Patents assigned to MINEBA CO LTD (1)· patent assignee history
2003Based in Omorinishi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI RAYON CO31990–1991
NITTO CHEMICAL INDUSTRY CO LTD21979
MINEBA CO LTD12003
Locations
LocationPatentsSpan
Tokyo, JP31990–1991
Yokohama, JP21979
Omorinishi, JP12003