Inventor
YAMABE YASUO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “YAMABE YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKISUI CHEMICAL CO LTD
4 patentsUS4666190AMay 19, 1987
Tube joint
SEIKISUI CHEMICAL CO LTD67 citations95
US5615701AApr 1, 1997
Vacuum valve control device and vacuum valve
SEIKISUI CHEMICAL CO LTD31 citations89
US5327937AJul 12, 1994
Branched valve
SEIKISUI CHEMICAL CO LTD9 citations71
US4816099AMar 28, 1989
Method for the production of a composite pipe and an apparatus for the same
SEIKISUI CHEMICAL CO LTD6 citations61