Inventor · disambiguated record
Masumi Kumakura
Also filed as: KUMAKURA MASUMI
2 granted patents·16 citations·filing 1985–1996
54Inventor score
Top patents by PatentIndex Score
2 records- 0159US4620678AAutomatic magnetic tape loading apparatusVICTOR COMPANY OF JAPAN·Filed 1985·Granted Nov 4, 1986·15 cites·15 claims
- 0225US5719855ADigital telephone switching system having plural terminal devices directly connected to a common digital lineHITACHI TELECOMM TECH·Filed 1996·Granted Feb 17, 1998·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →