Inventor · disambiguated record
Hajime Machida
Also filed as: MACHIDA HAJIME
10 granted patents·156 citations·filing 1973–1998
90Inventor score
Top patents by PatentIndex Score
10 records- 0182US4466004AThermomagnetic recordingRICOH KK·Filed 1981·Granted Aug 14, 1984·27 cites·11 claims
- 0275US4839226AMagneto-optical recording mediumRICOH KK·Filed 1987·Granted Jun 13, 1989·22 cites·21 claims
- 0372US4816292AMethod of preparing hexagonal ferrite elementRICOH KK·Filed 1987·Granted Mar 28, 1989·19 cites·19 claims
- 0472US4690861AMagneto optical recording mediumRICOH KK·Filed 1986·Granted Sep 1, 1987·27 cites·37 claims
- 0565US4883710AMagneto-optical recording mediumRICOH KK·Filed 1987·Granted Nov 28, 1989·25 cites·16 claims
- 0658US5461595ADouble-layer magneto-optical recording method without using an initial magnetic fieldRICOH KK·Filed 1993·Granted Oct 24, 1995·11 cites·16 claims
- 0749US3963803AAntistatic acrylic fiberTORAY INDUSTRIES·Filed 1973·Granted Jun 15, 1976·10 cites·5 claims
- 0836US6004106ADistributor type fuel injection pump and power transmission deviceZEXEL CORP·Filed 1998·Granted Dec 21, 1999·6 cites·13 claims
- 0935US5420836AMethod of magneto-optical recording and overwritingRICOH KK·Filed 1992·Granted May 30, 1995·3 cites·8 claims
- 1034US5746584AInner cam type fuel injection pump having modified plungersZEXEL CORP·Filed 1996·Granted May 5, 1998·6 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Hajime Machida 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 →