Inventor

Noriyuki Kunishi

Inventor

Ichihara, JP

Overview

17→

Patents

1990–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 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 bonds34%

C08JWorking-up14%

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. inserts11%

B29BPreparation or pretreatment of the material to be shaped9%

Y10TTechnical subjects covered by former us classification9%

B01DSeparation3%

B01FMixing, e.g. dissolving, emulsifying or dispersing3%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

B29CShaping or joining of plastics3%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%

PatentTitleYear

10,640,306Polycarbonate resin powder and method for transporting same2020 10,030,101Branched polycarbonate production method2018 7,517,944'Process for producing polycarbonate'2009 6,605,221'Method and apparatus for washing polycarbonate/organic solvent solution'2003 5,990,262'Process for producing polycarbonates'1999 5,981,051'Method for producing granular polycarbonate prepolymer for solid-state polymerization'1999 5,922,826'Process for producing polycarbonate'1999 5,726,223'Process for production of polymer particles'1998 5,583,166'Process for production of polymer particles'1996 5,504,187'Polymer granules containing little residual solvent'1996 5,475,084'Process for the production of polycarbonate powder'1995 5,470,937'Anisotropically oriented phase difference compensation film of a branched polycarbonate'1995 5,349,043'Polycarbonate and process for producing the same'1994 5,322,919'Process for producing a polycarbonate in inert solvent'1994 5,306,802'Polycarbonate copolymer and method for production thereof'1994 5,087,660'Process and apparatus for heat treatment of polymer containing liquid'1992 4,959,456'Multistage process for producing polycarbonate from oligomer'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2003Patents assigned to IDEMITSU PETROCHEMICAL CO (13)· patent assignee history

1990–2020Based in Ichihara, JP· patent location history

1999–2020Patents assigned to IDEMITSU KOSAN CO (4)· patent assignee history

2009Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IDEMITSU PETROCHEMICAL CO	13	1990–2003
IDEMITSU KOSAN CO	4	1999–2020

Locations

Location	Patents	Span
Ichihara, JP	16	1990–2020
Chiba, JP	1	2009