Inventor

Toru Katsumata

Inventor
Shizuoka, JP

Overview

13→
Patents
1992–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds34%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients22%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
B29BPreparation or pretreatment of the material to be shaped3%
B29CShaping or joining of plastics3%
C01BNon-metallic elements3%
C03BManufacture, shaping, or supplementary processes3%
C03CChemical composition of glasses, glazes or vitreous enamels3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2003Patents assigned to POLYPLASTICS CO (11)· patent assignee history
1992–1996Based in Shizuoka, JP· patent location history
1996Patents assigned to TAKEDA CHEMICAL INDUS LTD (1)· patent assignee history
1998–2003Based in Fuji, JP· patent location history
2000Patents assigned to NAT RES INST METALS (1)· patent assignee history
2000Based in Ibaraki, JP· patent location history
2002Patents assigned to DENSO CORP (1)· patent assignee history
2002Patents assigned to SONY CORP (1)· patent assignee history
2002Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLYPLASTICS CO111992–2003
DENSO CORP12002
NAT RES INST METALS12000
SONY CORP12002
TAKEDA CHEMICAL INDUS LTD11996
Locations
LocationPatentsSpan
Shizuoka, JP61992–1996
Fuji, JP51998–2003
Kanagawa, JP12002
Ibaraki, JP12000