Inventor

Yujiro Matsuyama

Inventor
Ohtsu, JP

Overview

6→
Patents
1986–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C08Jprimary
C08JWorking-up15%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients15%
Y10TTechnical subjects covered by former us classification15%
B29CShaping or joining of plastics10%
G11BInformation storage based on relative movement between record carrier and transducer10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
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. inserts5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
E01DConstruction of bridges, elevated roadways or viaducts5%
E04HBuildings or like structures for particular purposes5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2001Patents assigned to TOYO BOSEKI (6)· patent assignee history
1986–1988Patents assigned to NIPPON MAGPHANE KK (2)· patent assignee history
1986–1991Based in Otsu, JP· patent location history
1987–2001Based in Ohtsu, JP· patent location history
1988Based in Shiga, JP· patent location history
2001Patents assigned to JAPAN HIGHWAY PUBLIC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO BOSEKI61986–2001
NIPPON MAGPHANE KK21986–1988
JAPAN HIGHWAY PUBLIC CORP12001
Locations
LocationPatentsSpan
Ohtsu, JP31987–2001
Otsu, JP21986–1991
Shiga, JP11988