Inventor · disambiguated record
Koken Yamamoto
Also filed as: YAMAMOTO KOKEN
13 granted patents·4 pending applications·151 citations·filing 1997–2006
91Inventor score
Top patents by PatentIndex Score
17 records- 0166US8601563B2Wireless tag, reader/writer, encoding system, and encoding methodSAKAI ATSUSHI·Filed 2006·Granted Dec 3, 2013·3 cites·17 claims
- 0256US6658497B1System for recognizing of a device connection state by reading structure information data which produced by pull-up resistor and pull-down resistorFUJITSU LTD·Filed 1999·Granted Dec 2, 2003·31 cites·6 claims
- 0356US2003149664A1Settlement systemFUJITSU LTD·Filed 2002·Application pending·0 cites
- 0455US7039779B2Access monitor and access monitoring method for monitoring access between programsFUJITSU LTD·Filed 2000·Granted May 2, 2006·5 cites·6 claims
- 0551US6275873B1System for data communication between disk adapter and disk cartridge drive where adapter controller sending busy signal to disk cartridge drive if adapter controller is unavailableFUJITSU LTD·Filed 2000·Granted Aug 14, 2001·1 cites·8 claims
- 0646US2006010302A1Non-contact IC recording medium, recording medium managing program, and recording medium managing methodFUJITSU FRONTECH LTD·Filed 2004·Application pending·0 cites
- 0743US6266653B1Apparatus and method for managing and possessing electronic money, management and possession medium and recording medium for recording electronic money management and possession program read by computerFUJITSU LTD·Filed 1998·Granted Jul 24, 2001·46 cites·10 claims
- 0842US2003014643A1Electronic apparatus and debug authorization methodFUJITSU LTD·Filed 2002·Application pending·0 cites
- 0941US7657758B2Processing apparatus and integrated circuit to prevent illicit access and reverse engineeringFUJITSU LTD·Filed 2000·Granted Feb 2, 2010·0 cites·18 claims
- 1040US2001014944A1Data communication deviceFUJITSU LTD·Filed 2001·Application pending·0 cites
- 1139US6519650B1System and method for controlling data transfer between portable medias and a processor to minimize communication hardware requirementsFUJITSU LTD·Filed 1999·Granted Feb 11, 2003·11 cites·15 claims
- 1237US6105864ATerminal device and terminal systemFUJITSU LTD·Filed 1997·Granted Aug 22, 2000·23 cites·22 claims
- 1333US6253999B1Electronic money safe using logical IC cardsFUJITSU LTD·Filed 1998·Granted Jul 3, 2001·8 cites·16 claims
- 1432US6474545B1Digital cash safeFUJITSU LTD·Filed 1999·Granted Nov 5, 2002·8 cites·5 claims
- 1532US6049843ASystem for data communication between disk adapter and disk cartridge drive where adapter controller assigns specific track to formatted data to be sent to driveFUJITSU LTD·Filed 1998·Granted Apr 11, 2000·1 cites·10 claims
- 1631US6968995B1Integrated circuit for protocol controlFUJITSU LTD·Filed 1999·Granted Nov 29, 2005·7 cites·36 claims
- 1730US6484154B1Safe for electric money and an electric money systemFUJITSU LTD·Filed 1998·Granted Nov 19, 2002·7 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Koken Yamamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →