Inventor
Masafumi Imai
Inventor
Saitama, JP
Overview
Patents· 40 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 bonds69%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
B27DWorking veneer or plywood2%
B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for2%
B27MWorking of wood not provided for in subclasses b27b - b27l2%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper2%
C07CAcyclic or carbocyclic compounds2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
G21CNuclear reactors2%
PatentTitleYear
10,695,940Corrugated board manufacturing system and corrugated board manufacturing method202010,487,169Manufacturing method for propylene block copolymer201910,479,856Manufacturing method for propylene block copolymer20195,610,960'Fuel spacer and fuel assembly'19975,132,261'Olefin polymerization catalyst component'19925,130,283'Olefin polymerization catalyst component'19925,114,896'Process for the production of a catalytic component for the polymerization of olefins'19925,061,667'Catalytic component for olefin polymerization'19914,960,743'Method for production of catalyst carrier for polymerization of olefin'19904,959,427'Catalyst component for polymerization of olefins'19904,950,630'Method for production of catalyst component for olefin polymerization'19904,942,148'Catalyst component for olefin polymerization'19904,814,312'Method for production of catalyst component for olefin polymerization'19894,814,311'Method for production of catalyst component for olefin polymerization (P-1292)'19894,814,313'Method of production of catalyst carrier for polymerization of olefin'19894,754,006'Process for producing catalyst ingredient for use in olefin polymerization'19884,737,481'Process for producing catalyst ingredient for use in olefin polymerization'19884,727,049'Catalyst component for polymerization of olefins'19884,711,940'Process for preparing catalyst component for polymerization of olefins'19874,711,939'Catalyst component for polymerization of olefins'19874,693,990'Production of catalyst component for olefin polymerization'19874,654,318'Process for preparing catalyst component for polymerization of olefins'19874,652,541'Catalyst component for polymerization of olefins'19874,625,003'Catalyst component for polymerization of olefins (P-1026)'19864,613,579'Catalyst component for polymerization of olefins'19864,590,325'Catalyst component for polymerization of olefins'19864,588,793'Catalyst component for polymerization of olefins'19864,565,798'Process for polymerization of olefins'19864,552,858'Catalyst component for polymerization of olefins'19854,551,440'Catalyst component for polymerization of olefins'19854,550,095'Catalyst component for polymerization of olefins'19854,390,671'Catalyst component for use in the polymerization of .alpha.-olefins and a method of using the same'19834,370,257'Catalyst component for polymerization of alpha-olefins and method for using the same'19834,348,507'Catalyst component for use in the polymerization of .alpha.-olefins and a method of using the same'19824,335,015'Catalyst component for polymerization of alpha-olefins and method of using it'19824,314,046'Process for the stereoregular polymerization of .alpha.-olefins in the presence of a supported titanium catalyst'19824,253,984'Catalyst component for use in the polymerization of .alpha.-olefins and a method of using the same'19814,246,136'Catalyst component for use in the polymerization of .alpha.-olefins and a method of using the same'19814,242,231'Catalyst component for use in the polymerization of .alpha.-olefins and a method of using the same'19804,242,230'Catalyst component for use in the polymerization of .alpha.-olefins and a method of using the same'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1990Patents assigned to TOA NENRYO KOGYO KK (32)· patent assignee history
1980–1983Based in Ooi, JP· patent location history
1985–1992Based in Saitama, JP· patent location history
1992Patents assigned to TONEN CORP (3)· patent assignee history
1992Based in Iruma, JP· patent location history
1997Patents assigned to HITACHI LTD (1)· patent assignee history
2019Patents assigned to TOHO TITANIUM CO LTD (2)· patent assignee history
2019Based in Chigasaki, JP· patent location history
2020Patents assigned to Imai ind co ltd (1)· patent assignee history
2020Based in Hirakawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOA NENRYO KOGYO KK | 32 | 1980–1990 |
| TONEN CORP | 3 | 1992 |
| TOHO TITANIUM CO LTD | 2 | 2019 |
| HITACHI LTD | 1 | 1997 |
| Imai ind co ltd | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 25 | 1985–1992 |
| Ooi, JP | 9 | 1980–1983 |
| Chigasaki, JP | 2 | 2019 |
| Iruma, JP | 2 | 1992 |
| Hirakawa, JP | 1 | 2020 |