Inventor · disambiguated record
Chikahiko Izumi
Also filed as: IZUMI CHIKAHIKO · KAWABE SHUN
8 granted patents·227 citations·filing 1975–1983
89Inventor score
Technology areasG06F
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0190US4056844AMemory control system using plural buffer address arraysHITACHI LTD·Filed 1975·Granted Nov 1, 1977·83 cites·7 claims
- 0275US4172287AGeneral purpose data processing apparatus for processing vector instructionsHITACHI LTD·Filed 1977·Granted Oct 23, 1979·37 cites·13 claims
- 0368US4326248AMultiple virtual storage control systemHITACHI LTD·Filed 1979·Granted Apr 20, 1982·31 cites·6 claims
- 0464US4385365AData shunting and recovering deviceHITACHI LTD·Filed 1979·Granted May 24, 1983·24 cites·5 claims
- 0559US4631668AStorage system using comparison and merger of encached data and update data at buffer to cache to maintain data integrityHITACHI LTD·Filed 1983·Granted Dec 23, 1986·24 cites·3 claims
- 0645US4500959AApparatus for invalidating the content of an instruction buffer by program store compare checkHITACHI LTD·Filed 1982·Granted Feb 19, 1985·15 cites·12 claims
- 0736US4335425AData processing apparatus having diagnosis functionHITACHI LTD·Filed 1979·Granted Jun 15, 1982·10 cites·9 claims
- 0830US4561071AStorage system having buffer storageHITACHI LTD·Filed 1983·Granted Dec 24, 1985·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →