Inventor

Michio Tsuyumoto

Inventor

Himeji, JP

Overview

5→

Patents

1989–2010

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B01Dprimary

B01DSeparation31%

C08JWorking-up19%

Y10TTechnical subjects covered by former us classification13%

B29CShaping or joining of plastics6%

B29DProducing particular articles from plastics or from substances in a plastic state6%

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. inserts6%

B29LIndexing scheme associated with subclass b29c, relating to particular articles6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

PatentTitleYear

7,829,186'Porous films with chemical resistance'2010 7,820,281'Process for producing porous film and porous film'2010 5,393,432'Separating membrane of polyion complex'1995 5,087,367'Hydrolyzed membrane and process for the preparation of the same'1992 4,871,461'Polymer composite membrane'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to GEN DIRECTOR OF THE AGENCY OF (1)· patent assignee history

1989–2010Based in Himeji, JP· patent location history

1992Patents assigned to JAPAN REPRESENTED BY MINISTRY (1)· patent assignee history

1992–1995Based in Hyogo, JP· patent location history

1995Patents assigned to MITI MINI INT TRADE & IND (1)· patent assignee history

2010Patents assigned to DAICEL CHEM (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAICEL CHEM	2	2010
GEN DIRECTOR OF THE AGENCY OF	1	1989
JAPAN REPRESENTED BY MINISTRY	1	1992
MITI MINI INT TRADE & IND	1	1995

Locations

Location	Patents	Span
Himeji, JP	3	1989–2010
Hyogo, JP	2	1992–1995