Inventor · disambiguated record
Akifumi Yamawaki
Also filed as: YAMAWAKI AKIFUMI
10 granted patents·108 citations·filing 1995–2000
90Inventor score
Files withSANYO ELECTRIC CO9
Top patents by PatentIndex Score
10 records- 0175US6682848B1Alkaline storage battery and process for the production thereofSANYO ELECTRIC CO·Filed 2000·Granted Jan 27, 2004·14 cites·5 claims
- 0267US6368748B1Nickel-metal hydride storage cell having a high capacity and an excellent cycle characteristic and manufacturingSANYO ELECTRIC CO·Filed 2000·Granted Apr 9, 2002·8 cites·13 claims
- 0367US5672447ANon-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrodeSANYO ELECTRIC CO·Filed 1996·Granted Sep 30, 1997·17 cites·6 claims
- 0466US5688616ANon-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrodeSANYO ELECTRIC CO·Filed 1996·Granted Nov 18, 1997·16 cites·7 claims
- 0551US5691086ANickel active material for use in alkali storage cells and its manufactuiring methodSANYO ELECTRIC CO·Filed 1996·Granted Nov 25, 1997·17 cites·14 claims
- 0650US5629111ANickel electrode active material; a nickel electrode and a nickel alkali storage cell using such nickel electrode active material; and production methods of such material, electrode, and cellSANYO ELECTRIC CO·Filed 1995·Granted May 13, 1997·19 cites·14 claims
- 0739US5702762AManufacturing method of an active material suitable for non-sintered nickel electrodes for use in alkaline storage cellsSANYO ELECTRIC CO·Filed 1996·Granted Dec 30, 1997·10 cites·4 claims
- 0838US6274275B1Alkali storage cell employing a spongelike metal substrateSANYO ELECTRIC CO·Filed 1999·Granted Aug 14, 2001·3 cites·2 claims
- 0937US5940946AAlkali storage cell employing a spongelike metal substrateSANYO ELECTRIC CO·Filed 1996·Granted Aug 24, 1999·3 cites·20 claims
- 1030US6632568B1Non-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrodeFiled 1997·Granted Oct 14, 2003·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →