Inventor
KOYAMA TOMOHIRO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
3 patentsUS8053946B2Nov 8, 2011
Coreless and brushless direct-current motor, Gifford McMahon (GM) cryogenic cooler, pulse tube cryogenic cooler, cryopump, magnetic resonance imaging (MRI) apparatus, superconducting magnet (SCM) apparatus, nuclear magnetic resonance (NMR) apparatus, and cryogenic cooler for cooling semiconductor
SUMITOMO HEAVY INDUSTRIES22 citations92
US7719160B2May 18, 2010
Coreless and brushless direct-current motor, Gifford McMahon (GM) cryogenic cooler, pulse tube cryogenic cooler, cryopump, Magnetic Resonance Imaging (MRI) apparatus, Superconducting Magnet (SCM) apparatus, Nuclear Magnetic Resonance (NMR) apparatus, and cryogenic cooler for cooling semiconductor
SUMITOMO HEAVY INDUSTRIES6 citations73
US7308797B2Dec 18, 2007
Cryogenic refrigerator
SUMITOMO HEAVY INDUSTRIES2 citations56
KOYAMA TOMOHIRO
3 patentsUS8800304B2Aug 12, 2014
Cryopump control apparatus, cryopump system, and method for monitoring cryopump
KOYAMA TOMOHIRO3 citations58
US8336318B2Dec 25, 2012
Cryopump and method for diagnosing the cryopump
KOYAMA TOMOHIRO4 citations58
US9498818B2Nov 22, 2016
Casting mold and cast article produced using the same
KOYAMA TOMOHIRO0 citations43