Inventor · disambiguated record
Chuma Akira
Also filed as: AKIRA CHUMA
1 granted patent·3 pending applications·43 citations·filing 1998–2002
51Inventor score
Technology areasG11B
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0188US6490123B1Disc drive having 3.5 inch form factor housing and 2.5 inch form factor disk mediaHITACHI LTD·Filed 1998·Granted Dec 3, 2002·43 cites·4 claims
- 0243US2002093760A1Magnetic disk drive and magnetic disk drive systemHITACHI LTD·Filed 2002·Application pending·0 cites
- 0343US2002093758A1Magnetic disk drive and magnetic disk drive systemHITACHI LTD·Filed 2002·Application pending·0 cites
- 0443US2002093759A1Magnetic disk drive and magnetic disk drive systemHITACHI LTD·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →