Inventor · disambiguated record
Keikichi Ando
Also filed as: ANDO KEIKICHI
10 granted patents·152 citations·filing 1979–2003
89Inventor score
Top patents by PatentIndex Score
10 records- 0186US4581579AOptical magnetic-field measuring apparatus having improved temperature characteristicsHITACHI LTD·Filed 1983·Granted Apr 8, 1986·43 cites·8 claims
- 0284US6636477B1Information recording medium and information recording deviceHITACHI LTD·Filed 1999·Granted Oct 21, 2003·37 cites·18 claims
- 0379US6383595B1Information recording mediumHITACHI LTD·Filed 1999·Granted May 7, 2002·33 cites·24 claims
- 0477US6954941B2Information recording medium and information recording deviceHITACHI MAXELL·Filed 2003·Granted Oct 11, 2005·9 cites·5 claims
- 0576US6806030B2Information recording medium and method for manufacturing information recording mediumHITACHI LTD·Filed 2001·Granted Oct 19, 2004·11 cites·9 claims
- 0649US5404348AMethod for recording and reproducing information using at least two energy beamsHITACHI LTD·Filed 1990·Granted Apr 4, 1995·8 cites·29 claims
- 0739US4532180AGarnet film for ion-implanted magnetic bubble deviceHITACHI LTD·Filed 1983·Granted Jul 30, 1985·4 cites·5 claims
- 0836US4267230AFilm for a magnetic bubble domain deviceHITACHI LTD·Filed 1979·Granted May 12, 1981·4 cites·3 claims
- 0932US4397912AGarnet film for magnetic bubble elementHITACHI LTD·Filed 1981·Granted Aug 9, 1983·1 cites·3 claims
- 1031US4338372AGarnet film for magnetic bubble deviceHITACHI LTD·Filed 1980·Granted Jul 6, 1982·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →