Inventor

SUGIWAKI TOSHIHIRO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “SUGIWAKI TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANYO KOKUSAKU PULP CO

3 patents

US5233012AAug 3, 1993

Production of novel condensates comprising bisphenols and aromatic aminosulfonic acids, condensates and dispersant, additive and water-reducing agent based thereon

SANYO KOKUSAKU PULP CO17 citations72

US5153299AOct 6, 1992

Production of novel condensates comprising bisphenols and aromatic aminosulfonic acids, condensates and dispersant, additive and water-reducing agent based thereon

SANYO KOKUSAKU PULP CO12 citations72

US4367094AJan 4, 1983

Slump reduction-preventing agent and method for improving applicability of mortar concrete

SANYO KOKUSAKU PULP CO5 citations49

JUJO PAPER CO LTD

1 patent

US5811527ASep 22, 1998

Lignin composition, method of producing the same and dispersing agent for cement used the same

JUJO PAPER CO LTD47 citations86