Inventor · disambiguated record
Keizo Matsumura
Also filed as: MATSUMURA KEIZO
5 granted patents·142 citations·filing 1993–1998
84Inventor score
Top patents by PatentIndex Score
5 records- 0179USD368516SGasket for vacuum apparatusMATSUMURA KEIZO·Filed 1993·Granted Apr 2, 1996·26 cites·1 claims
- 0271US5538262AUltra-high vacuum gasket and vacuum apparatus using the sameFiled 1995·Granted Jul 23, 1996·49 cites·7 claims
- 0357US5868978AInjection molding method for thin componentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 9, 1999·22 cites·8 claims
- 0443US5797490AHolder for a blood collection needleNISSHO KK·Filed 1996·Granted Aug 25, 1998·35 cites·7 claims
- 0531US5961473AHolder for a blood collection needleNISSHO KK·Filed 1998·Granted Oct 5, 1999·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →