Inventor · disambiguated record
Hisayuki Maruyama
Also filed as: MARUYAMA HISAYUKI
5 granted patents·83 citations·filing 1990–1996
81Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0161US5210632ASignal transmission system having a star coupled repeaterHITACHI LTD·Filed 1990·Granted May 11, 1993·37 cites·20 claims
- 0243US5497374AData transmission method and system thereofHITACHI LTD·Filed 1994·Granted Mar 5, 1996·14 cites·5 claims
- 0343US5426638ATransmission method and system thereofHITACHI LTD·Filed 1990·Granted Jun 20, 1995·14 cites·1 claims
- 0438US5706422AMethod of locating fault of communication systemHITACHI LTD·Filed 1996·Granted Jan 6, 1998·12 cites·7 claims
- 0533US5414739ATransmission system constituted of multistage reproduction nodesHITACHI LTD·Filed 1992·Granted May 9, 1995·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →