Inventor
Akio Kanezawa
Inventor
Sodegaura, JP
Overview
Patents· 11 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 bonds71%
B01DSeparation7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B29CShaping or joining of plastics7%
G11BInformation storage based on relative movement between record carrier and transducer7%
PatentTitleYear
6,277,946'Method for preparation of polycarbonates'20016,204,352'Apparatus for manufacturing polycarbonate'20016,197,917'Method for manufacturing polycarbonate for optical use'20016,177,536'Method for quenching of catalyst in the production of low molecular weight polycarbonates'20015,886,132'Method for controlling the effective level of catalyst during the preparation of a polycarbonate polymer by transesterification'19995,833,848'Filter for high-viscosity fluids'19985,760,156'Manufacturing method for polycarbonate'19985,525,701'Method for the manufacture of aromatic polycarbonate'19965,514,767'Hot-melt polycondensation method for manufacturing a polycarbonate composition'19965,502,153'Method for preparing optical-grade polycarbonate compositions'19965,364,926'Preparing method of polycarbonate resin compounds for the optical use'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1996Patents assigned to GE PLASTICS JAPAN LTD (2)· patent assignee history
1994–2001Based in Sodegaura, JP· patent location history
1996–2001Patents assigned to GEN ELECTRIC (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 9 | 1996–2001 |
| GE PLASTICS JAPAN LTD | 2 | 1994–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sodegaura, JP | 11 | 1994–2001 |