Inventor

OYAMA HIDEKI

JP2 patents

⚠️ This page may combine multiple inventors who share the name “OYAMA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON ELECTRIC GLASS CO

1 patent

US7049255B2May 23, 2006

Colored glass for lighting, colored glass bulb and method for producing thereof

NIPPON ELECTRIC GLASS CO7 citations68

MAEDA KOGYO CO LTD

1 patent

US7541742B2Jun 2, 2009

Colored glass for lighting, colored glass bulb and method for producing thereof

MAEDA KOGYO CO LTD0 citations40