Inventor
WANG YICHUN
US15 patents
⚠️ This page may combine multiple inventors who share the name “WANG YICHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GILLETTE CO
5 patentsUS5649999AJul 22, 1997
Ink eradicator system
GILLETTE CO39 citations92
US6149721ANov 21, 2000
Solvent-based pen inks
GILLETTE CO24 citations90
US5916357AJun 29, 1999
Eradicable inks
GILLETTE CO34 citations90
US7066970B2Jun 27, 2006
Electrochemical cells
GILLETTE CO8 citations73
US7972726B2Jul 5, 2011
Primary alkaline battery containing bismuth metal oxide
GILLETTE CO3 citations59
DURACELL US OPERATIONS INC
5 patentsUS10826062B2Nov 3, 2020
Primary alkaline battery
DURACELL US OPERATIONS INC3 citations82
US11876221B2Jan 16, 2024
Primary alkaline battery
DURACELL US OPERATIONS INC0 citations61
US11811058B2Nov 7, 2023
Primary alkaline battery
DURACELL US OPERATIONS INC0 citations61
US10232520B2Mar 19, 2019
Primary alkaline battery
DURACELL US OPERATIONS INC0 citations51
US9498890B2Nov 22, 2016
Primary alkaline battery
DURACELL US OPERATIONS INC0 citations51