Inventor · disambiguated record
Shigeji Ikeda
Also filed as: IKEDA SHIGEJI
17 granted patents·409 citations·filing 1987–2023
94Inventor score
Top patents by PatentIndex Score
17 records- 0188US12142741B2Battery packSONY CORP·Filed 2023·Granted Nov 12, 2024·0 cites·4 claims
- 0286US6285768B1Noise cancelling method and noise cancelling unitNEC CORP·Filed 1999·Granted Sep 4, 2001·53 cites·6 claims
- 0386US5978824ANoise cancelerNEC CORP·Filed 1998·Granted Nov 2, 1999·77 cites·6 claims
- 0485US5953380ANoise canceling method and apparatus thereforNEC CORP·Filed 1997·Granted Sep 14, 1999·50 cites·6 claims
- 0584US11777155B2Battery packSONY CORP·Filed 2022·Granted Oct 3, 2023·0 cites·14 claims
- 0678US5940455AAdaptive filter with disabling circuit for fast tap weight convergenceNEC CORP·Filed 1997·Granted Aug 17, 1999·34 cites·9 claims
- 0776US11462776B2Battery packSONY CORP·Filed 2020·Granted Oct 4, 2022·0 cites·17 claims
- 0872US9799930B2Battery packKUMAGAI ATSUHIRO·Filed 2012·Granted Oct 24, 2017·1 cites·9 claims
- 0972US6266422B1Noise canceling method and apparatus for the sameNEC CORP·Filed 1998·Granted Jul 24, 2001·70 cites·11 claims
- 1070US10797362B2Battery packSONY CORP·Filed 2017·Granted Oct 6, 2020·0 cites·19 claims
- 1169US5727073ANoise cancelling method and noise canceller with variable step size based on SNRNEC CORP·Filed 1996·Granted Mar 10, 1998·23 cites·5 claims
- 1265US5636151AAdaptive filter capable of removing a residual echo at a rapid speedNEC CORP·Filed 1995·Granted Jun 3, 1997·21 cites·10 claims
- 1359US6151614AAdaptive filter and adapting method thereofNEC CORP·Filed 1998·Granted Nov 21, 2000·28 cites·5 claims
- 1455US7180806B2Memory device, refresh control circuit to be used for the memory device, and refresh methodSONY CORP·Filed 2004·Granted Feb 20, 2007·9 cites·15 claims
- 1551US5644641ANoise cancelling device capable of achieving a reduced convergence time and a reduced residual error after convergenceNEC CORP·Filed 1996·Granted Jul 1, 1997·30 cites·4 claims
- 1634US5218560ACircuit for controlling tap gains at rapid speed in an adaptive filterNEC CORP·Filed 1991·Granted Jun 8, 1993·3 cites·6 claims
- 1732US4908863AMulti-pulse coding systemTAGUCHI TETSU·Filed 1987·Granted Mar 13, 1990·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →