Inventor

Kazumitsu Kawakita

Inventor

Kuga-gun, JP

Overview

1992–2014

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds67%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

C08JWorking-up7%

C08LCompositions of macromolecular compounds7%

PatentTitleYear

8,822,366'Solid titanium catalyst component, catalyst for olefin polymerization and process for polymerizing olefin'2014 8,742,040'Solid titanium catalyst component, olefin polymerization catalyst, and olefin polymerization process'2014 6,630,559'Propylene polymer, propylene block copolymer, process for preparing said polymer and said block copolymer, and propylene polymer composition'2003 6,545,099'Propylene polymer and block copolymer'2003 6,323,150'Process for preparing solid titanium catalyst component, olefin polymerization catalyst, and olefin polymerization process'2001 6,284,857'Propylene polymer, propylene block copolymer, process for preparing said polymer and said block copolymer, and propylene polymer composition'2001 6,274,678'Propylene polymer, propylene block copolymer, process for preparing said polymer and said block copolymer, and propylene polymer composition'2001 5,324,805'Ethylene/pentene-1 copolymer and ethylene/pentene-1 copolymer composition'1994 5,192,731'Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers'1993 5,155,078'Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to MITSUI PETROCHEMICAL IND (3)· patent assignee history

1992–2003Based in Kuga-gun, JP· patent location history

2001–2014Patents assigned to MITSUI CHEMICALS INC (7)· patent assignee history

2014Patents assigned to KAWAKITA KAZUMITSU (2)· patent assignee history

2014Patents assigned to MATSUNAGA KAZUHISA (2)· patent assignee history

2014Patents assigned to SHINOZAKI TETSUNORI (2)· patent assignee history

2014Based in Iwakuni, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUI CHEMICALS INC	7	2001–2014
MITSUI PETROCHEMICAL IND	3	1992–1994
KAWAKITA KAZUMITSUself	2	2014
MATSUNAGA KAZUHISA	2	2014
SHINOZAKI TETSUNORI	2	2014

Locations

Location	Patents	Span
Kuga-gun, JP	8	1992–2003
Iwakuni, JP	2	2014