Inventor
YAMADA KATSUHITO
7 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KATSUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA CHUO KENKYUSHO KK
5 patentsUS4265596AMay 5, 1981
Axial flow fan with auxiliary blades
TOYODA CHUO KENKYUSHO KK58 citations94
US4128363ADec 5, 1978
Axial flow fan
TOYODA CHUO KENKYUSHO KK123 citations94
US4222710ASep 16, 1980
Axial flow fan having auxiliary blade
TOYODA CHUO KENKYUSHO KK30 citations91
US4189281AFeb 19, 1980
Axial flow fan having auxiliary blades
TOYODA CHUO KENKYUSHO KK54 citations91
US6500573B1Dec 31, 2002
Humidifer device for fuel cells and operating system thereof
TOYODA CHUO KENKYUSHO KK30 citations90