Assignee
BESTEX KK
JP·3 granted patents·46 citations·filing 1992–1995
Top patents by PatentIndex Score
3 records- 0175US5143752AFiltering material of apatite and glucan used for surgical masks and method of making itBESTEX KK·Filed 1992·Granted Sep 1, 1992·33 cites·5 claims
- 0241US5296254AMethod of producing a filtering materialBESTEX KK·Filed 1992·Granted Mar 22, 1994·10 cites·9 claims
- 0333US5597619AFiltering material and method of producing the sameBESTEX KK·Filed 1995·Granted Jan 28, 1997·3 cites·12 claims
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