Inventor · disambiguated record
Keiji Hazama
Also filed as: HAZAMA KEIJI
4 granted patents·61 citations·filing 1979–1986
76Inventor score
Files withHITACHI CHEMICAL CO LTD4
Top patents by PatentIndex Score
4 records- 0173US4305897APackaging process for semiconductorsHITACHI CHEMICAL CO LTD·Filed 1979·Granted Dec 15, 1981·32 cites·21 claims
- 0249US4751611ASemiconductor package structureHITACHI CHEMICAL CO LTD·Filed 1986·Granted Jun 14, 1988·18 cites·3 claims
- 0336US4764235AProcess and apparatus for sealing semiconductor packagesHITACHI CHEMICAL CO LTD·Filed 1986·Granted Aug 16, 1988·8 cites·3 claims
- 0428US4722441APackage structure for semiconductorsHITACHI CHEMICAL CO LTD·Filed 1986·Granted Feb 2, 1988·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →