Inventor
Kiichi Itoh
Inventor
Yokkaichi, JP
Overview
Patents· 19 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 bonds22%
A61LMethods or apparatus for sterilising materials or objects in general15%
Y10TTechnical subjects covered by former us classification15%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C08JWorking-up5%
A61FFilters implantable into blood vessels2%
B05BSpraying apparatus2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
PatentTitleYear
7,354,646'Water-absorbent polymer composite comprising two or more fibers, and composition thereof'20087,339,016'Method for preparing water-absorbent polymer composite and accumulated material thereof'20087,288,610'Method of polymerization and nozzle employed in same'20076,846,518'Continuous production method of water-absorbing composite'20056,797,656'Water-absorbing composites, preparation processes thereof and water-absorbing articles'20045,962,068'Water-absorptive composite and process for producing the same'19995,652,309'Method of preparing water-absorbing resin'19975,202,400'Process for the production of highly water absorptive polymers'19935,185,413'Process for producing highly water-absortive polymers'19935,086,133'Process for producing highly water absorptive polymer'19925,071,221'Water penetration preventive cable'19915,059,664'Process for the preparation of water absorptive resin'19914,957,984'Process for producing highly water absorptive polymer'19904,948,659'Process for preparation of water absorptive composite'19904,892,754'Process for preparation of water absorptive composite material'19904,865,886'Process for preparation of water absorptive composite material'19894,842,927'Process for preparation of water absorptive composite'19894,835,020'Process for preparation of water absorptive composite material'19894,738,867'Process for the preparation of water absorptive composite material'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1993Patents assigned to MITSUBISHI PETROCHEMICAL CO (12)· patent assignee history
1988–2008Based in Yokkaichi, JP· patent location history
1989–1990Patents assigned to UNI CHARM CORP (4)· patent assignee history
1997–2008Patents assigned to MITSUBISHI CHEM CORP (7)· patent assignee history
2007Based in Mie, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI PETROCHEMICAL CO | 12 | 1988–1993 |
| MITSUBISHI CHEM CORP | 7 | 1997–2008 |
| UNI CHARM CORP | 4 | 1989–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokkaichi, JP | 18 | 1988–2008 |
| Mie, JP | 1 | 2007 |