Inventor · disambiguated record
Hajime Yamasaki
Also filed as: YAMASAKI HAJIME
4 granted patents·530 citations·filing 1989–1994
84Inventor score
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4 records- 0194US5596706AHighly reliable online systemHITACHI LTD·Filed 1994·Granted Jan 21, 1997·228 cites·10 claims
- 0291US5307481AHighly reliable online systemHITACHI LTD·Filed 1991·Granted Apr 26, 1994·152 cites·1 claims
- 0390US5379418AHighly reliable online systemHITACHI LTD·Filed 1993·Granted Jan 3, 1995·142 cites·7 claims
- 0443US4953200APrivate branch exchange capable of discriminating different types of telephone sets connected theretoMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Aug 28, 1990·8 cites·4 claims
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