Inventor

Hiroto Matsumoto

Inventor

Sayama, JP

Overview

1984–2019

Patent span

Chemistry

Primary field (CPC C)

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

C01Bprimary

C01BNon-metallic elements27%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%

C10GCracking hydrocarbon oils9%

C21DModifying the physical structure of ferrous metals9%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

Y02PClimate change mitigation technologies in the production or processing of goods9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to NISSHIN STEEL CO LTD (1)· patent assignee history

1984Based in Tokuyama, JP· patent location history

1992–2009Patents assigned to IDEMITSU KOSAN CO (3)· patent assignee history

1992Based in Sodegaura, JP· patent location history

2002Based in Tokyo, JP· patent location history

2009Based in Chiba, JP· patent location history

2019Patents assigned to SOKEN KAGAKU KK (1)· patent assignee history

2019Based in Sayama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations