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Inventor

Yoshiaki Oobayashi

Inventor
Ichihara, JP

Overview

11→
Patents
1999–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients29%
C08LCompositions of macromolecular compounds29%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
C08JWorking-up8%
Y10TTechnical subjects covered by former us classification8%
B29BPreparation or pretreatment of the material to be shaped4%
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. inserts4%
PatentTitleYear
8,946,331'Polypropylene resin composition and formed article'20158,501,842'Polypropylene resin composition and molded article'20138,492,468'Polypropylene resin composition'20138,431,634'Polypropylene resin composition and process for producing the same'20137,923,502'Polypropylene-based resin composition and molding made from the same'20117,528,206'Fiber-crystalline thermoplastic resin composite material and pellet thereof'20097,432,323'Polyolefin resin composition'20087,335,694'Polypropylene resin composition'20086,780,506'Fiber-reinforced polyolefin resin composite and molded article obtained from the same'20046,613,845'Propylene/ethylene--olefin block copolymer and process for producing the same'20035,990,242'Propylene/ethylene-.alpha.-olefin block copolymer and process for processing the same'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2015Patents assigned to SUMITOMO CHEMICAL CO (11)· patent assignee history
1999–2009Based in Ichihara, JP· patent location history
2003Based in Ichihiara, JP· patent location history
2011Based in Kamakura, JP· patent location history
2013–2015Patents assigned to OOBAYASHI YOSHIAKI (4)· patent assignee history
2013–2015Patents assigned to WATANABE TSUYOSHI (2)· patent assignee history
2013Patents assigned to MARUYAMA TAKESHI (1)· patent assignee history
2013Based in Yokohama, JP· patent location history
2015Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO111999–2015
OOBAYASHI YOSHIAKIself42013–2015
WATANABE TSUYOSHI22013–2015
MARUYAMA TAKESHI12013
Locations
LocationPatentsSpan
Ichihara, JP51999–2009
Yokohama, JP32013
Chiba, JP12015
Kamakura, JP12011
Ichihiara, JP12003