Inventor · disambiguated record
Shin-Ichirou Harasawa
Also filed as: HARASAWA SHIN-ICHIROU
12 granted patents·236 citations·filing 1997–2002
92Inventor score
Files withFUJITSU LTD12
Top patents by PatentIndex Score
12 records- 0186US6807370B2Optical transmission systemFUJITSU LTD·Filed 2001·Granted Oct 19, 2004·37 cites·6 claims
- 0285US6847788B2System and method for equalizing transmission characteristics in wavelength division multiplexing optical communication systemFUJITSU LTD·Filed 2000·Granted Jan 25, 2005·23 cites·30 claims
- 0382US6452721B2Method, device, and system for evaluating characteristics of optical fiber transmission lineFUJITSU LTD·Filed 2001·Granted Sep 17, 2002·20 cites·9 claims
- 0477US6185022B1Optical transmission system and transmitting terminal stationFUJITSU LTD·Filed 1998·Granted Feb 6, 2001·51 cites·40 claims
- 0571US6404523B1Wavelength division multiplexing system and its terminationFUJITSU LTD·Filed 1999·Granted Jun 11, 2002·38 cites·10 claims
- 0666US6980745B2Optical transmission systemFUJITSU LTD·Filed 2001·Granted Dec 27, 2005·10 cites·6 claims
- 0756US6075633ALight transmission systemFUJITSU LTD·Filed 1997·Granted Jun 13, 2000·23 cites·11 claims
- 0855US7031618B2Optical transmission system in which gains in gain bands are remotely controlled by transmitting tone signals having variable characteristicsFUJITSU LTD·Filed 2002·Granted Apr 18, 2006·4 cites·20 claims
- 0955US6816683B2Wavelength division multiplexing communications network supervisory systemFUJITSU LTD·Filed 2002·Granted Nov 9, 2004·3 cites·6 claims
- 1054US6452701B1Wavelength division multiplexing communications network supervisory systemFUJITSU LTD·Filed 1998·Granted Sep 17, 2002·20 cites·35 claims
- 1150US6907157B2Method and system for optical fiber transmission using raman amplificationFUJITSU LTD·Filed 2002·Granted Jun 14, 2005·2 cites·10 claims
- 1233US6301032B1Optical multiplexing/demultiplexing deviceFUJITSU LTD·Filed 1998·Granted Oct 9, 2001·5 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Shin-Ichirou Harasawa 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 →