Inventor

Yoshihiro Sobajima

Inventor

Yokkaichi, JP

Overview

15→

Patents

1981–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 15 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds35%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients23%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

B29CShaping or joining of plastics6%

C08JWorking-up6%

H01BCables6%

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. inserts3%

PatentTitleYear

6,660,797'Propylene resin composition and method for molding the same'2003 6,180,709'Thermoplastic polypropylene composition'2001 6,040,374'Propylene resin composition and method for evaluating the same'2000 6,034,177'Propylene resin composition'2000 6,015,857'Propylene resin compositions'2000 5,990,220'Propylene resin composition and coating method using the same'1999 5,747,576'Propylene resin compositions containing talc'1998 5,484,835'Heat-resistant, propylene resin-based molding materials and molded products obtained therefrom'1996 5,432,209'Propylene resin composition'1995 5,296,186'Process for producing molded products of propylene resin'1994 4,743,651'Resin composition of polyphenylene ether and polyamide'1988 4,603,153'Glass fiber reinforced resin composition'1986 4,552,689'Electrically conductive inorganic filler containing propylene polymer compositions'1985 4,504,617'Inorganic filler containing propylene polymer compositions'1985 4,244,910'Method for injection molding of polyolefin containing inorganic filler'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1995Patents assigned to MITSUBISHI PETROCHEMICAL CO (7)· patent assignee history

1981Based in Yotsukaichi, JP· patent location history

1985–1999Based in Mie, JP· patent location history

1994–2003Based in Yokkaichi, JP· patent location history

1996–1998Patents assigned to MITSUBISHI CHEM CORP (2)· patent assignee history

1999–2003Patents assigned to JAPAN POLYCHEM CORP (6)· patent assignee history

2001Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI PETROCHEMICAL CO	7	1981–1995
JAPAN POLYCHEM CORP	6	1999–2003
MITSUBISHI CHEM CORP	2	1996–1998
TOYOTA MOTOR CO LTD	1	2001

Locations

Location	Patents	Span
Yokkaichi, JP	8	1994–2003
Mie, JP	6	1985–1999
Yotsukaichi, JP	1	1981