Assignee
HIRAYAMA CHUICHI
JP·4 granted patents·35 citations·filing 1987–1993
Top patents by PatentIndex Score
4 records- 0155US5498409AMaterial for adsorbing pyrogenHIRAYAMA CHUICHI·Filed 1993·Granted Mar 12, 1996·16 cites·27 claims
- 0242US5279821APyrogen adsorbent containing amide groupsHIRAYAMA CHUICHI·Filed 1991·Granted Jan 18, 1994·14 cites·4 claims
- 0334US4948816ASpherical grains of polyamino acid and production method thereofHIRAYAMA CHUICHI·Filed 1989·Granted Aug 14, 1990·2 cites·5 claims
- 0432US4840975ASpherical grains of polyamino acid and production method thereofHIRAYAMA CHUICHI·Filed 1987·Granted Jun 20, 1989·3 cites·10 claims
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