Inventor
YABANA YOSHIJI
JP6 patents
Patents
6 patentsUS4894489AJan 16, 1990
Electromagnetic shield-type doorway for buildings and electromagnetic shielding system therefor
SHIMIZU CONSTRUCTION CO LTD23 citations92
US4932180AJun 12, 1990
Electromagnetically shielded partition wall structure
SHIMIZU CONSTRUCTION CO LTD10 citations73
US4814694AMar 21, 1989
System for detecting and processing abnormality in electromagnetic shielding of intelligent buildings
SHIMIZU CONSTRUCTION CO LTD7 citations73
US4810961AMar 7, 1989
Radio wave leakage diagnosing system for intelligent building
SHIMIZU CONSTRUCTION CO LTD14 citations73
US4758686AJul 19, 1988
Electromagnetic shield structure for building windows
SHIMIZU CONSTRUCTION CO LTD10 citations73
US4889958ADec 26, 1989
Building with electromagnetic shield structure for individual floors
SHIMIZU CONSTRUCTION CO LTD6 citations59