Inventor
YAMAWAKI AKIFUMI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “YAMAWAKI AKIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
9 patentsUS5629111AMay 13, 1997
Nickel 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 cell
SANYO ELECTRIC CO19 citations92
US6682848B1Jan 27, 2004
Alkaline storage battery and process for the production thereof
SANYO ELECTRIC CO14 citations83
US5688616ANov 18, 1997
Non-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 electrode
SANYO ELECTRIC CO16 citations81
US5672447ASep 30, 1997
Non-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 electrode
SANYO ELECTRIC CO17 citations81
US6368748B1Apr 9, 2002
Nickel-metal hydride storage cell having a high capacity and an excellent cycle characteristic and manufacturing
SANYO ELECTRIC CO8 citations73
US5702762ADec 30, 1997
Manufacturing method of an active material suitable for non-sintered nickel electrodes for use in alkaline storage cells
SANYO ELECTRIC CO10 citations73
US5691086ANov 25, 1997
Nickel active material for use in alkali storage cells and its manufactuiring method
SANYO ELECTRIC CO17 citations73
US6274275B1Aug 14, 2001
Alkali storage cell employing a spongelike metal substrate
SANYO ELECTRIC CO3 citations62
US5940946AAug 24, 1999
Alkali storage cell employing a spongelike metal substrate
SANYO ELECTRIC CO3 citations62