Inventor
KATAYAMA MASAYOSHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISHIGAKI MECH IND
6 patentsUS6461507B1Oct 8, 2002
Continuous squeeze-dewatering device
ISHIGAKI MECH IND45 citations88
US10974982B2Apr 13, 2021
Recovery device and recovery method for recovering specific material from sludge
ISHIGAKI MECH IND5 citations81
US11401188B2Aug 2, 2022
Sludge dehydration system and sludge dehydration method
ISHIGAKI MECH IND1 citations70
US9975798B2May 22, 2018
Sludge dehydration system and sludge dehydration method
ISHIGAKI MECH IND4 citations70
US7906029B2Mar 15, 2011
Sludge thickening method
ISHIGAKI MECH IND4 citations58
US7828961B2Nov 9, 2010
Sludge thickening device
ISHIGAKI MECH IND4 citations58