Inventor

Yukio Mizutani

Inventor

Tokuyama, JP

Overview

1976–2001

Patent span

Chemistry

Primary field (CPC C)

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%

C01BNon-metallic elements8%

C07CAcyclic or carbocyclic compounds8%

C08JWorking-up8%

C08LCompositions of macromolecular compounds8%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%

F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general8%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general8%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to TOKUYAMA SODA KK (4)· patent assignee history

1976–2001Based in Tokuyama, JP· patent location history

1999Patents assigned to NIPPON FURNACE KOGYO KK (1)· patent assignee history

1999Based in Suita, JP· patent location history

2001Patents assigned to TOKUYAMA CORP (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Tokuyama, JP	5	1976–2001
Suita, JP	1	1999