Inventor · disambiguated record
Shigefumi Masuda
Also filed as: MASUDA SHIGEFUMI
8 granted patents·304 citations·filing 1983–2000
89Inventor score
Files withFUJITSU LTD8
Top patents by PatentIndex Score
8 records- 0191US6868552B1Ingress noise control system and ingress noise blocking deviceFUJITSU LTD·Filed 2000·Granted Mar 15, 2005·73 cites·6 claims
- 0286US5680238AHybrid SCM optical transmission apparatusFUJITSU LTD·Filed 1995·Granted Oct 21, 1997·83 cites·17 claims
- 0382US4621925AFiber-optic gyroFUJITSU LTD·Filed 1983·Granted Nov 11, 1986·36 cites·15 claims
- 0473US6198478B1CATV transmission center apparatus, subscriber terminal device, CATV distribution system, and method of distributing programFUJITSU LTD·Filed 1998·Granted Mar 6, 2001·55 cites·6 claims
- 0565US5023863AOptical switching systemFUJITSU LTD·Filed 1989·Granted Jun 11, 1991·27 cites·29 claims
- 0662US7574730B1Device and system for reducing confluence noiseFUJITSU LTD·Filed 2000·Granted Aug 11, 2009·8 cites·7 claims
- 0746US5165077AOptical drop-and-insert apparatusFUJITSU LTD·Filed 1990·Granted Nov 17, 1992·13 cites·21 claims
- 0841US6184920B1Picture signal transmitting system using CATV network in which the local oscillator is transmitted separatelyFUJITSU LTD·Filed 1998·Granted Feb 6, 2001·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →