Inventor · disambiguated record
Masao Oba
Also filed as: OBA MASAO
9 granted patents·326 citations·filing 1986–1995
91Inventor score
Top patents by PatentIndex Score
9 records- 0184US4821198AApparatus for reading out work machining data written in a memory module attached to a pallet when the pallet is moved to a machine toolTOKYO KEIKI KK·Filed 1987·Granted Apr 11, 1989·52 cites·8 claims
- 0283US4953123AMemory system to perform data transfer by a contactless electromagnetic induction coupling system using induction coilsTOKYO KEIKI KK·Filed 1989·Granted Aug 28, 1990·46 cites·6 claims
- 0380US4856177AAutomatic tool changer with electromagnetically readable tool holder having an electromagnetically coupling stopper for numerical controlTOKYO KEIKI KK·Filed 1988·Granted Aug 15, 1989·37 cites·4 claims
- 0478US5023887AData transmission system using spread spectrum communicationTOKYO KEIKI KK·Filed 1990·Granted Jun 11, 1991·97 cites·8 claims
- 0567US5630064AData processing apparatus using reader/writer and data carrierTOKIMEC INC·Filed 1995·Granted May 13, 1997·24 cites·21 claims
- 0662US5128972AMemory package systemTOKYO KEIKI KK·Filed 1990·Granted Jul 7, 1992·24 cites·6 claims
- 0756US4855994AMemory package system for performing data transmission between memory module and write/read unit by electromagnetic induction couplingTOKYO KEIKI KK·Filed 1988·Granted Aug 8, 1989·16 cites·6 claims
- 0851US5199044ASystem for detecting position of object having data carrierTOKIMEC INC·Filed 1991·Granted Mar 30, 1993·21 cites·9 claims
- 0947US4724372ASpeed control apparatus of hydraulic actuatorTOKYO KEIKI KK·Filed 1986·Granted Feb 9, 1988·9 cites·5 claims
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