Inventor

TSUYUMOTO MICHIO

JP5 patents

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

DAICEL CHEM

2 patents

US7829186B2Nov 9, 2010

Porous films with chemical resistance

DAICEL CHEM3 citations60

US7820281B2Oct 26, 2010

Process for producing porous film and porous film

DAICEL CHEM4 citations60

GEN DIRECTOR OF THE AGENCY OF

1 patent

US4871461AOct 3, 1989

Polymer composite membrane

GEN DIRECTOR OF THE AGENCY OF35 citations89

MITI MINI INT TRADE & IND

1 patent

US5393432AFeb 28, 1995

Separating membrane of polyion complex

MITI MINI INT TRADE & IND17 citations72

JAPAN REPRESENTED BY MINISTRY

1 patent

US5087367AFeb 11, 1992

Hydrolyzed membrane and process for the preparation of the same

JAPAN REPRESENTED BY MINISTRY9 citations67