Inventor

YAMADA RYUUJI

JP3 patents

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

KYOCERA CORP

2 patents

US7540617B2Jun 2, 2009

Illumination optical apparatus and projection type display apparatus

KYOCERA CORP4 citations59

US7438424B2Oct 21, 2008

Illumination optical apparatus and projection type display apparatus

KYOCERA CORP0 citations48

NEC VIEWTECHNOLOGY LTD

1 patent

US7177078B2Feb 13, 2007

Projection type display apparatus

NEC VIEWTECHNOLOGY LTD5 citations59