Inventor · disambiguated record
Kiyoshi Akamatsu
Also filed as: AKAMATSU KIYOSHI
9 granted patents·154 citations·filing 1998–2005
88Inventor score
Technology areasG11B
Top patents by PatentIndex Score
9 records- 0197US7035049B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk deviceHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 25, 2006·64 cites·11 claims
- 0290US6577472B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable textureHITACHI LTD·Filed 2001·Granted Jun 10, 2003·23 cites·13 claims
- 0385US6801397B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk deviceHITACHI LTD·Filed 2003·Granted Oct 5, 2004·14 cites·15 claims
- 0477US6096445ASubstrate for a magnetic recording medium, the magnetic recording medium, and a method of producing the sameHITACHI LTD·Filed 1998·Granted Aug 1, 2000·29 cites·2 claims
- 0575US6278582B1Magnetic head and magnetic head manufacturing methodHIATCHI LTD·Filed 1999·Granted Aug 21, 2001·21 cites·23 claims
- 0673US7259936B2Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Aug 21, 2007·1 cites·5 claims
- 0754US6937445B2Recording/reproducing separated type head with heat radiating structureHITACHI LTD·Filed 2003·Granted Aug 30, 2005·2 cites·8 claims
- 0844US6690544B2Magnetic head and magnetic head manufacturing methodHITACHI LTD·Filed 2002·Granted Feb 10, 2004·0 cites·6 claims
- 0942US6504680B2Magnetic head and magnetic head manufacturing methodHITACHI LTD·Filed 2001·Granted Jan 7, 2003·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Kiyoshi Akamatsu 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 →