Inventor · disambiguated record
Mitsuhiro Oyama
Also filed as: OYAMA MITSUHIRO
9 granted patents·54 citations·filing 1976–2007
86Inventor score
Files withYAMAMOTO ELECTRIC IND CO LTD3TOZEN CORP2TOSHIBA KK1TOZEN SANGYO CO LTD1YAMAMOTO ELECTRIC IND CO INC1
Top patents by PatentIndex Score
9 records- 0165US4251796ASlide-type potentiometerYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Feb 17, 1981·12 cites·3 claims
- 0260US6979028B2Pipe jointTOZEN CORP·Filed 2003·Granted Dec 27, 2005·13 cites·5 claims
- 0358US8032575B2Digital signal processing apparatus and digital signal processing methodTOSHIBA KK·Filed 2007·Granted Oct 4, 2011·3 cites·20 claims
- 0450US6773000B2Vibration isolation spring mountTOZEN SANGYO CO LTD·Filed 2002·Granted Aug 10, 2004·5 cites·6 claims
- 0546US6880861B2Pipe jointTOZEN CORP·Filed 2003·Granted Apr 19, 2005·5 cites·7 claims
- 0645US4246521ADC Motor speed control systemYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Jan 20, 1981·9 cites·5 claims
- 0736US4085692AMotor control apparatus for electrically-driven sewing machineYAMAMOTO ELECTRIC IND CO LTD·Filed 1976·Granted Apr 25, 1978·2 cites·5 claims
- 0834US4228383ASpeed control circuit arrangement for an AC commutator motorYAMAMOTO ELECTRIC IND LTD·Filed 1978·Granted Oct 14, 1980·5 cites·2 claims
- 0921US4078507AElectrically driven sewing machine control apparatusYAMAMOTO ELECTRIC IND CO INC·Filed 1976·Granted Mar 14, 1978·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Mitsuhiro Oyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →