Inventor · disambiguated record
Shigeru Iizuka
Also filed as: IIZUKA SHIGERU
4 granted patents·392 citations·filing 1984–1993
83Inventor score
Top patents by PatentIndex Score
4 records- 0190US4676404AMethod and apparatus for feeding drug liquid from hermetic returnable canNIPPON ZEON CO·Filed 1984·Granted Jun 30, 1987·98 cites·10 claims
- 0285US5125030ASpeech signal coding/decoding system based on the type of speech signalKOKUSAI DENSHIN DENWA CO LTD·Filed 1991·Granted Jun 23, 1992·205 cites·9 claims
- 0378US5315585AEcho canceller using two residual echoesKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted May 24, 1994·73 cites·6 claims
- 0441US5113448ASpeech coding/decoding system with reduced quantization noiseKOKUSAI DENSHIN DENWA CO LTD·Filed 1989·Granted May 12, 1992·16 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →