Inventor · disambiguated record
Masaru Koyahara
Also filed as: KOYAHARA MASARU
4 granted patents·25 citations·filing 1983–1994
72Inventor score
Technology areasG11B
Files withCANON DENSHI KK4
Top patents by PatentIndex Score
4 records- 0155US5757583ADisc drive having automatic clamp and disc ejection arrangementsCANON DENSHI KK·Filed 1994·Granted May 26, 1998·11 cites·26 claims
- 0252US4563715AHead position control deviceCANON DENSHI KK·Filed 1983·Granted Jan 7, 1986·8 cites·10 claims
- 0337US4742409AMagnetic disc unitCANON DENSHI KK·Filed 1986·Granted May 3, 1988·5 cites·6 claims
- 0427US5001592ADisc driverCANON DENSHI KK·Filed 1989·Granted Mar 19, 1991·1 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →