Inventor

Katsunori Yabuta

Inventor

Otsu, JP

Overview

7→

Patents

1994–2015

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

C08LCompositions of macromolecular compounds14%

B29CShaping or joining of plastics11%

C08JWorking-up11%

H05KPrinted circuits11%

B29DProducing particular articles from plastics or from substances in a plastic state8%

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. inserts8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

C09JAdhesives5%

PatentTitleYear

8,962,790'Polyimide film and process for producing the same'2015 8,273,851'Method for producing polyimide film'2012 8,026,338'Method for producing polyimide film'2011 6,746,639'Process for preparing polyimide film'2004 6,403,757'Modified polyamide resin and heat-resistant composition containing the same'2002 5,726,281'Epoxy-terminated polyamide, adhesive made therefrom and methods for producing them'1998 5,371,175'Epoxy-terminated polyamide, adhesive made therefrom and methods for producing them'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2002Patents assigned to KANEGAFUCHI CHEMICAL IND (3)· patent assignee history

1994–1998Based in Ohtsu, JP· patent location history

2002–2015Based in Otsu, JP· patent location history

2004–2015Patents assigned to KANEKA CORP (4)· patent assignee history

2012–2015Patents assigned to YABUTA KATSUNORI (2)· patent assignee history

2015Patents assigned to AKAHORI KIYOKAZU (1)· patent assignee history

2015Patents assigned to ITOH TOSHIHISA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KANEKA CORP	4	2004–2015
KANEGAFUCHI CHEMICAL IND	3	1994–2002
YABUTA KATSUNORIself	2	2012–2015
AKAHORI KIYOKAZU	1	2015
ITOH TOSHIHISA	1	2015

Locations

Location	Patents	Span
Otsu, JP	5	2002–2015
Ohtsu, JP	2	1994–1998