Inventor
OKAYA MASAKATSU
JP6 patents
⚠️ This page may combine multiple inventors who share the name “OKAYA MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
4 patentsUS12092113B2Sep 17, 2024
Heat recovery device
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations57
US10316841B2Jun 11, 2019
Compressor, oil-free screw compressor, and method of manufacturing casing used therefor
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations50
US9944880B2Apr 17, 2018
Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations50
US11859605B2Jan 2, 2024
Compressor system, and control method for same
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations47