Inventor · disambiguated record
Hirosi Akiyama
Also filed as: AKIYAMA HIROSI
4 granted patents·167 citations·filing 1982–1994
81Inventor score
Top patents by PatentIndex Score
4 records- 0183US5621243ASemiconductor device having thermal stress resistance structureHITACHI LTD·Filed 1994·Granted Apr 15, 1997·80 cites·32 claims
- 0277US4690793ANuclear fusion reactorHITACHI LTD·Filed 1984·Granted Sep 1, 1987·35 cites·17 claims
- 0377US4685014AProduction method of thin film magnetic headCOMPUTER BASIC TECHNOLOGY ASS·Filed 1982·Granted Aug 4, 1987·28 cites·25 claims
- 0471US4636434ACeramic composite articleHITACHI LTD·Filed 1984·Granted Jan 13, 1987·24 cites·37 claims
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