Inventor
DOI RYOKICHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “DOI RYOKICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHEET GLASS CO LTD
8 patentsUS5657029AAug 12, 1997
Glass antenna device for automobile telephone
NIPPON SHEET GLASS CO LTD22 citations92
US5521606AMay 28, 1996
Window glass antenna for motor vehicles
NIPPON SHEET GLASS CO LTD43 citations92
US5821904AOct 13, 1998
Window glass antenna device
NIPPON SHEET GLASS CO LTD31 citations91
US7071886B2Jul 4, 2006
Glass antenna and glass antenna system for vehicles
NIPPON SHEET GLASS CO LTD14 citations83
US6937198B2Aug 30, 2005
Glass antenna system for vehicles
NIPPON SHEET GLASS CO LTD17 citations83
US6292150B1Sep 18, 2001
Glass antenna device
NIPPON SHEET GLASS CO LTD18 citations82
US10608318B2Mar 31, 2020
Glass antenna
NIPPON SHEET GLASS CO LTD1 citations60
US11695194B2Jul 4, 2023
Rear glass
NIPPON SHEET GLASS CO LTD0 citations50