Inventor
Hiroaki Takehara
Inventor
Shiga, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography27%
B41MPrinting, duplicating, marking, or copying processes9%
B41NPrinting plates or foils9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C08JWorking-up9%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties9%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%
PatentTitleYear
8,420,298'Method for production of crosslinked polyvinyl acetal resin, and crosslinked polyvinyl acetal resin'20136,489,074'Toner resin composition and toner'20026,358,487'Carbon black and process for producing the same'20026,190,816'Toner resin composition and toner'20016,106,988'Toner resin composition and toner prepared therefrom'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2013Patents assigned to SEKISUI CHEMICAL CO LTD (4)· patent assignee history
2000–2013Based in Shiga, JP· patent location history
2002Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history
2002Based in Kitakyushu, JP· patent location history
2013Patents assigned to HIROSE YUKI (1)· patent assignee history
2013Patents assigned to ICHITANI MOTOKUNI (1)· patent assignee history
2013Patents assigned to MAEDA TAKAYUKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEKISUI CHEMICAL CO LTD | 4 | 2000–2013 |
| HIROSE YUKI | 1 | 2013 |
| ICHITANI MOTOKUNI | 1 | 2013 |
| MAEDA TAKAYUKI | 1 | 2013 |
| MITSUBISHI CHEM CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shiga, JP | 4 | 2000–2013 |
| Kitakyushu, JP | 1 | 2002 |