Inventor · disambiguated record
Yoshihiko Katayama
Also filed as: KATAYAMA YOSHIHIKO · SAKURAI HISAYA
15 granted patents·723 citations·filing 1973–1983
95Inventor score
Files withASAHI CHEMICAL IND15
Top patents by PatentIndex Score
15 records- 0198US4423185AThermoplastic resinous compositionASAHI CHEMICAL IND·Filed 1980·Granted Dec 27, 1983·135 cites·4 claims
- 0297US4410595ALaminate of thermoplastic resinous compositionASAHI CHEMICAL IND·Filed 1982·Granted Oct 18, 1983·117 cites·9 claims
- 0397US4219453AInorganic filler-incorporated ethylene polymer filmASAHI CHEMICAL IND·Filed 1978·Granted Aug 26, 1980·86 cites·5 claims
- 0496US4336352ABlend of three ethylene polymersASAHI CHEMICAL IND·Filed 1980·Granted Jun 22, 1982·137 cites·7 claims
- 0593US4330646APolymerization of an α-olefinASAHI CHEMICAL IND·Filed 1980·Granted May 18, 1982·84 cites·32 claims
- 0690US4230831APolyethylene blend compositionASAHI CHEMICAL IND·Filed 1979·Granted Oct 28, 1980·53 cites·20 claims
- 0780US4471066APolymerization of olefinsASAHI CHEMICAL IND·Filed 1983·Granted Sep 11, 1984·27 cites·51 claims
- 0880US3969313AThermoplastic composite compositionsASAHI CHEMICAL IND·Filed 1973·Granted Jul 13, 1976·32 cites·17 claims
- 0975US4342708AHydrocarbon-soluble diorganomagnesium compounds, hydrocarbon solutions containing the same and processes for preparation thereofASAHI CHEMICAL IND·Filed 1980·Granted Aug 3, 1982·10 cites·10 claims
- 1063US4335229AProcess for polymerizing an α-olefinASAHI CHEMICAL IND·Filed 1980·Granted Jun 15, 1982·13 cites·40 claims
- 1157US4381252ACatalyst for producing polyolefinsASAHI CHEMICAL IND·Filed 1981·Granted Apr 26, 1983·10 cites·30 claims
- 1256US4330647AProcess for polymerizing α-olefinsASAHI CHEMICAL IND·Filed 1980·Granted May 18, 1982·10 cites·41 claims
- 1339US4264472ACatalyst for preparing polyethyleneASAHI CHEMICAL IND·Filed 1979·Granted Apr 28, 1981·4 cites·11 claims
- 1434US4330651APolymerization of α-olefinsASAHI CHEMICAL IND·Filed 1980·Granted May 18, 1982·4 cites·45 claims
- 1531US4376720AOlefin polymerization catalyst and olefin polymerization method using such catalystASAHI CHEMICAL IND·Filed 1980·Granted Mar 15, 1983·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →