Inventor · disambiguated record
Keizo Sugiyama
Also filed as: SUGIYAMA KEIZO
8 granted patents·226 citations·filing 1996–2006
87Inventor score
Top patents by PatentIndex Score
8 records- 0189US7486928B2Methods and apparatus for wireless communicationsKDDI CORP·Filed 2006·Granted Feb 3, 2009·24 cites·16 claims
- 0275US6259673B1Route selection methodKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Jul 10, 2001·53 cites·10 claims
- 0371US5960176AApparatus for management of SNMP/OSI gatewaysKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Sep 28, 1999·82 cites·21 claims
- 0463US6791998B1Polling period controlling apparatusKDD CORP·Filed 1999·Granted Sep 14, 2004·51 cites·10 claims
- 0551US7123941B2Radio LAN master station systemKDDI CORP·Filed 2002·Granted Oct 17, 2006·3 cites·3 claims
- 0650US7349372B2Packet control apparatus to connect interconnected network and wireless apparatusKDDI CORP·Filed 2003·Granted Mar 25, 2008·2 cites·6 claims
- 0740US7283493B2System and method for switching between frequency channels in wireless LANKDDI CORP·Filed 2002·Granted Oct 16, 2007·0 cites·15 claims
- 0837US6081838AMethod for access control on MIB in OSI managementKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Jun 27, 2000·11 cites·20 claims
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