Inventor · disambiguated record
Tomoyuki Ohtsuka
Also filed as: OHTSUKA TOMOYUKI
4 granted patents·61 citations·filing 1988–2005
77Inventor score
Files withFUJITSU LTD4
Top patents by PatentIndex Score
4 records- 0183US7831118B2Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission methodFUJITSU LTD·Filed 2005·Granted Nov 9, 2010·11 cites·17 claims
- 0272US5001726ACircuit for generating discrimination voltage levelFUJITSU LTD·Filed 1989·Granted Mar 19, 1991·30 cites·9 claims
- 0355US4935701APhase shift circuitFUJITSU LTD·Filed 1988·Granted Jun 19, 1990·11 cites·18 claims
- 0435US4935920ADrop/insert processing circuitFUJITSU LTD·Filed 1988·Granted Jun 19, 1990·9 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →