Inventor · disambiguated record
Kiyomi Kumozaki
Also filed as: KUMOZAKI KIYOMI
9 granted patents·280 citations·filing 1990–2006
90Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE9
Top patents by PatentIndex Score
9 records- 0178US5539564APoint-to-multipoint optical transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jul 23, 1996·79 cites·13 claims
- 0276US5608565ABidirectional optical transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Mar 4, 1997·59 cites·17 claims
- 0359US5896216AAM/PM converter and optical signal transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 20, 1999·29 cites·31 claims
- 0455US5812667ASubscriber registration and authentication methodNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Sep 22, 1998·38 cites·4 claims
- 0553US5204903ASecure communication equipment and secure transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Apr 20, 1993·31 cites·24 claims
- 0645US5668652AOptical WDM (wavelength division multiplexing) transmission system and method for configuring the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Sep 16, 1997·14 cites·12 claims
- 0744US7698290B2Error correction method and apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Apr 13, 2010·1 cites·5 claims
- 0844US5646758AOptical time compression multiplexing transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Jul 8, 1997·19 cites·15 claims
- 0939US4984262ADigital service unitNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Jan 8, 1991·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →