Inventor · disambiguated record
Hiromichi Hirayama
Also filed as: HIRAYAMA HIROMICHI
18 granted patents·215 citations·filing 1981–1998
94Inventor score
Technology areasG11B
Files withVICTOR COMPANY OF JAPAN18
Top patents by PatentIndex Score
18 records- 0194US5032939ATape cassette loading system compatible with two different sized cassettesVICTOR COMPANY OF JAPAN·Filed 1988·Granted Jul 16, 1991·65 cites·17 claims
- 0274US4972278ATape cassette driving system compatible with two cassette types of different sizesVICTOR COMPANY OF JAPAN·Filed 1988·Granted Nov 20, 1990·20 cites·14 claims
- 0372US5025331ATape casette loading system compatible with two different sized cassettesVICTOR COMPANY OF JAPAN·Filed 1988·Granted Jun 18, 1991·19 cites·14 claims
- 0470US4446497AVideo head driving unit with nonlinear leaf spring forceVICTOR COMPANY OF JAPAN·Filed 1981·Granted May 1, 1984·15 cites·16 claims
- 0562US5012364ATape-loading mechanism for a magnetic recording/reproducing apparatus for selective use of tape cassettes of two different sizesVICTOR COMPANY OF JAPAN·Filed 1989·Granted Apr 30, 1991·13 cites·5 claims
- 0661US4964001AMagnetic recording/reproducing apparatus for selective use with tape cassettes of two different sizesVICTOR COMPANY OF JAPAN·Filed 1989·Granted Oct 16, 1990·12 cites·12 claims
- 0759US5504642AMagnetic recording/reproducing apparatus having a locus plane of rotary heads tiltable with respect to a lower drumVICTOR COMPANY OF JAPAN·Filed 1993·Granted Apr 2, 1996·8 cites·15 claims
- 0854US5002237ARemovable tape reel assembly system for a magnetic tape cassetteVICTOR COMPANY OF JAPAN·Filed 1989·Granted Mar 26, 1991·9 cites·11 claims
- 0951US6160675AMagnetic recording and reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1998·Granted Dec 12, 2000·9 cites·21 claims
- 1047US5949621AMagnetic recording/reproducing apparatus having double tilting member for dynamic trackingVICTOR COMPANY OF JAPAN·Filed 1997·Granted Sep 7, 1999·5 cites·1 claims
- 1147US5726836AMagnetic recording/reproducing apparatus having double tilting arrangement for dynamic trackingVICTOR COMPANY OF JAPAN·Filed 1995·Granted Mar 10, 1998·5 cites·4 claims
- 1245US5982590AMagnetic recording/reproducing apparatus with tilting head drum for dynamic trackingVICTOR COMPANY OF JAPAN·Filed 1997·Granted Nov 9, 1999·7 cites·9 claims
- 1345US5838520AMagnetic recording/reproducing apparatus with tilting head drum for dynamic trackingVICTOR COMPANY OF JAPAN·Filed 1997·Granted Nov 17, 1998·7 cites·2 claims
- 1444US4991043ATape cassette loading systemVICTOR COMPANY OF JAPAN·Filed 1988·Granted Feb 5, 1991·6 cites·14 claims
- 1538US5894383AMagnetic recording/reproducing apparatus with a positioning mechanism for a tape guide drumVICTOR COMPANY OF JAPAN·Filed 1995·Granted Apr 13, 1999·4 cites·7 claims
- 1637US5675458AMagnetic recording/reproducing apparatus with independently tiltable head drum and tape lead guideVICTOR COMPANY OF JAPAN·Filed 1995·Granted Oct 7, 1997·2 cites·1 claims
- 1737US4786012AMiniature type tape cassetteVICTOR COMPANY OF JAPAN·Filed 1987·Granted Nov 22, 1988·5 cites·11 claims
- 1833US5742456AMagnetic recording/reproducing apparatus with a positioning mechanism for a tape guide drumVICTOR COMPANY OF JAPAN·Filed 1996·Granted Apr 21, 1998·4 cites·13 claims
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