Inventor · disambiguated record
Kozo Ishiyama
Also filed as: ISHIYAMA KOZO
3 granted patents·100 citations·filing 1981–1983
73Inventor score
Files withMITSUBISHI GAS CHEMICAL CO3
Top patents by PatentIndex Score
3 records- 0191US4341879APolyphenylene ether resin composition having improved heat stability and impact strengthMITSUBISHI GAS CHEMICAL CO·Filed 1981·Granted Jul 27, 1982·82 cites·26 claims
- 0251US4383066APolyphenylene ether resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 1981·Granted May 10, 1983·8 cites·16 claims
- 0349US4427814APolyphenylene ether resin composition having improved heat stabilityMITSUBISHI GAS CHEMICAL CO·Filed 1983·Granted Jan 24, 1984·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →