P
PatentIndex
Search
Landscape
Sign in
Inventor
SIGEMASA SUSUMU
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “SIGEMASA SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO KOHAN LTD
1 patent
US6583545B1
Jun 24, 2003
Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube
TOYO KOHAN LTD
0 citations
45
TOYO KOHAN CO LTD
1 patent
US6617776B1
Sep 9, 2003
Color picture tube shadow mask material
TOYO KOHAN CO LTD
0 citations
44