Inventor
IWASAWA YOSHIYUKI
8 patents
⚠️ This page may combine multiple inventors who share the name “IWASAWA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIMIZU CONSTRUCTION CO LTD
6 patentsUS4867629ASep 19, 1989
Dusttight storage cabinet apparatus for use in clean rooms
SHIMIZU CONSTRUCTION CO LTD431 citations98
US4781511ANov 1, 1988
Semiconductor processing system
SHIMIZU CONSTRUCTION CO LTD406 citations98
US4826360AMay 2, 1989
Transfer system in a clean room
SHIMIZU CONSTRUCTION CO LTD110 citations96
US4904153AFeb 27, 1990
Transporting robot for semiconductor wafers
SHIMIZU CONSTRUCTION CO LTD70 citations95
US4345431AAug 24, 1982
Exhaust gas cleaning system for diesel engines
SHIMIZU CONSTRUCTION CO LTD74 citations93
US4917004AApr 17, 1990
Robot traveling duct for clean room
SHIMIZU CONSTRUCTION CO LTD11 citations73