Inventor · disambiguated record
Sakae Yoshizawa
Also filed as: YOSHIZAWA SAKAE
5 granted patents·239 citations·filing 1989–1994
85Inventor score
Files withFUJITSU LTD5
Top patents by PatentIndex Score
5 records- 0189US5077815AApparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiberFUJITSU LTD·Filed 1989·Granted Dec 31, 1991·76 cites·17 claims
- 0280US5087110AOptical fiber cable and manufacture of optical fiber cableFUJITSU LTD·Filed 1990·Granted Feb 11, 1992·53 cites·17 claims
- 0378US5136420AOptical fiber amplifierFUJITSU LTD·Filed 1990·Granted Aug 4, 1992·50 cites·7 claims
- 0472US5007698AOptical fiber amplifier/multiplexerFUJITSU LTD·Filed 1990·Granted Apr 16, 1991·30 cites·24 claims
- 0571US5508842AOptical amplifierFUJITSU LTD·Filed 1994·Granted Apr 16, 1996·30 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →