Inventor · disambiguated record
Yoshiyuki Karakawa
Also filed as: KARAKAWA YOSHIYUKI
5 granted patents·2 pending applications·261 citations·filing 1995–2008
83Inventor score
Files withFUJITSU LTD7
Top patents by PatentIndex Score
7 records- 0183US6333932B1Connectionless communications system, its test method, and intra-station control systemFUJITSU LTD·Filed 1995·Granted Dec 25, 2001·143 cites·13 claims
- 0265US5870382AAutomatic protection switching system for ATM exchange networkFUJITSU LTD·Filed 1996·Granted Feb 9, 1999·79 cites·22 claims
- 0353US7551612B2Intra-station control system for connectionless communications systemFUJITSU LTD·Filed 1999·Granted Jun 23, 2009·30 cites·2 claims
- 0451US7593425B2Signal distribution method and a signal distribution apparatusFUJITSU LTD·Filed 2004·Granted Sep 22, 2009·2 cites·9 claims
- 0540US2008170577A1Station Device, Message Transfer Method, and Program Storage Medium Storing Program ThereofFUJITSU LTD·Filed 2008·Application pending·0 cites
- 0637US2006222007A1RPR ring network systemFUJITSU LTD·Filed 2005·Application pending·0 cites
- 0729US6912210B1Data communication system and communication device usedFUJITSU LTD·Filed 1998·Granted Jun 28, 2005·7 cites·11 claims
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