Inventor
SOTOKAWA HAJIME
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SOTOKAWA HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
8 patentsUS11644248B2May 9, 2023
Total heat exchange element and total heat exchanger
MITSUBISHI ELECTRIC CORP2 citations69
US12313281B2May 27, 2025
Heat exchanger and heat exchange ventilator
MITSUBISHI ELECTRIC CORP0 citations60
US12287156B2Apr 29, 2025
Partition plate, total heat exchange element and total heat exchanger including partition plate, and method for producing partition plate
MITSUBISHI ELECTRIC CORP0 citations56
US12188665B2Jan 7, 2025
Heat exchanging element and heat exchange ventilator
MITSUBISHI ELECTRIC CORP1 citations54
US10352629B2Jul 16, 2019
Heat exchange element
MITSUBISHI ELECTRIC CORP0 citations50
US9863710B2Jan 9, 2018
Laminated total heat exchange element
MITSUBISHI ELECTRIC CORP1 citations50
US11486650B2Nov 1, 2022
Total heat exchange element, method of manufacturing total heat exchange element, and total heat exchanger
MITSUBISHI ELECTRIC CORP0 citations49
US12259200B2Mar 25, 2025
Heat transfer plate and heat exchange element
MITSUBISHI ELECTRIC CORP0 citations42