Inventor
Hisakatsu Hama
Inventor
Ichihara, JP
Overview
Patents· 12 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 bonds25%
C08LCompositions of macromolecular compounds19%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients16%
C08CTreatment or chemical modification of rubbers13%
B29CShaping or joining of plastics6%
B01DSeparation3%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B29BPreparation or pretreatment of the material to be shaped3%
C08JWorking-up3%
PatentTitleYear
9,238,726'Molded article comprising polypropylene resin composition'20169,045,622'Modified conjugated diene-based polymer, polymer composition, and process for producing modified conjugated diene-based polymer'20159,023,937'Method for producing a rubber composition'20158,895,644'Resin composition and lighting fixture components made of the same'20148,809,449'Modified conjugated diene-based polymer, polymer composition, and process for producing modified conjugated diene-based polymer'20148,664,301'Method for producing a thermoplastic polymer material'20148,598,274'Method for producing modified conjugated diene-based polymer, and method for producing vulcanized polymer'20138,461,279'Method for producing devolatilized polyolefin and molded article of polyolefin'20138,188,189'Resin composition'20127,807,760'Process for producing ethylene-α-olefin copolymer'20107,504,462'Process for producing olefin polymer'20097,482,409'Process for producing ethylene-α-olefin-polyene copolymer'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2016Patents assigned to SUMITOMO CHEMICAL CO (12)· patent assignee history
2009–2016Based in Ichihara, JP· patent location history
2009–2014Based in Chiba, JP· patent location history
2012–2015Patents assigned to HAMA HISAKATSU (7)· patent assignee history
2013Patents assigned to DOBASHI TETSURO (1)· patent assignee history
2013Patents assigned to MAEDA NAOAKI (1)· patent assignee history
2014Patents assigned to ATARASHI KENJI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 12 | 2009–2016 |
| HAMA HISAKATSUself | 7 | 2012–2015 |
| ATARASHI KENJI | 1 | 2014 |
| DOBASHI TETSURO | 1 | 2013 |
| MAEDA NAOAKI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 10 | 2009–2016 |
| Chiba, JP | 2 | 2009–2014 |