Inventor · disambiguated record
Shigemi Okumura
Also filed as: OKUMURA SHIGEMI
3 granted patents·588 citations·filing 1985–1992
80Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0194US4975836AVirtual computer systemHITACHI LTD·Filed 1985·Granted Dec 4, 1990·205 cites·16 claims
- 0293US5293250AA system for notifying a destination terminal that electronic mail has reached a host computerHITACHI LTD·Filed 1992·Granted Mar 8, 1994·309 cites·10 claims
- 0380US4812967AMethod and apparatus for controlling interrupts in a virtual machine systemHITACHI LTD·Filed 1986·Granted Mar 14, 1989·74 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →