Inventor · disambiguated record
Ryuji Kayama
Also filed as: KAYAMA RYUJI
5 granted patents·18 citations·filing 1999–2015
72Inventor score
Files withFUJITSU LTD5
Top patents by PatentIndex Score
5 records- 0179US7408475B2Power supply monitoring deviceFUJITSU LTD·Filed 2006·Granted Aug 5, 2008·11 cites·10 claims
- 0264US7778160B2Device for synchronizing between an active unit and a standby unitFUJITSU LTD·Filed 2007·Granted Aug 17, 2010·3 cites·7 claims
- 0340US7639702B2Plug-in card for optical transmission apparatusFUJITSU LTD·Filed 2006·Granted Dec 29, 2009·0 cites·18 claims
- 0435US9344266B2Transmission system, transmission apparatus, and clock synchronization methodFUJITSU LTD·Filed 2015·Granted May 17, 2016·0 cites·11 claims
- 0525US6442136B1Traffic shaping device for ATM communication networkFUJITSU LTD·Filed 1999·Granted Aug 27, 2002·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →