Inventor · disambiguated record
Shigehiko Yazawa
Also filed as: YAZAWA SHIGEHIKO
11 granted patents·281 citations·filing 1989–2000
92Inventor score
Files withFUJITSU LTD11
Top patents by PatentIndex Score
11 records- 0190US6798872B1Caller information display system and recording mediumFUJITSU LTD·Filed 2000·Granted Sep 28, 2004·72 cites·8 claims
- 0272US5008884APrivate automatic branch exchange system with line accessing number adding featureFUJITSU LTD·Filed 1989·Granted Apr 16, 1991·38 cites·24 claims
- 0364US5315588AMethod of controlling frame-relay module, and high-speed switching systemFUJITSU LTD·Filed 1993·Granted May 24, 1994·47 cites·10 claims
- 0463US5142571ADigital telephone set having an emergency switching function and communication system having the sameFUJITSU LTD·Filed 1991·Granted Aug 25, 1992·43 cites·16 claims
- 0551US7023964B2Communication systemFUJITSU LTD·Filed 2000·Granted Apr 4, 2006·3 cites·20 claims
- 0647US5319640ATransmitting/receiving system having digital switching networkFUJITSU LTD·Filed 1993·Granted Jun 7, 1994·15 cites·10 claims
- 0746US5524045ACordless telephone terminal controlling systemFUJITSU LTD·Filed 1994·Granted Jun 4, 1996·30 cites·12 claims
- 0837US5195129ASwitching system for application servicesFUJITSU LTD·Filed 1990·Granted Mar 16, 1993·11 cites·11 claims
- 0936US5555541AExchange connected to a control channel junction lineFUJITSU LTD·Filed 1993·Granted Sep 10, 1996·7 cites·6 claims
- 1033US6035195AMobile radio telephone for emitting position information indicating an assigned zoneFUJITSU LTD·Filed 1995·Granted Mar 7, 2000·10 cites·3 claims
- 1127US5802475AMobile radio telephone apparatusFUJITSU LTD·Filed 1994·Granted Sep 1, 1998·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →