P
PatentIndex
Search
Landscape
Sign in
Inventor
TAKAHASHI KATSUYU
JP
2 patents
Patents
2 patents
US4433994A
Feb 28, 1984
Method of manufacturing curved discharge tubes
HITACHI LTD
14 citations
69
US4535234A
Aug 13, 1985
Light exposure apparatus with cooling means
HITACHI LTD
2 citations
60