Inventor

HONDA ZENJIRO

JP7 patents

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

DAICEL LTD

3 patents

US4292417ASep 29, 1981

Semipermeable membrane

DAICEL LTD38 citations90

US4200726AApr 29, 1980

Semipermeable membrane of phenoxy resin containing sulfuric acid groups or salts thereof

DAICEL LTD15 citations80

US3950257AApr 13, 1976

Semipermeable membrane and process for the preparation thereof

DAICEL LTD16 citations73

GEN DIRECTOR OF THE AGENCY OF

2 patents

US4895685AJan 23, 1990

Crosslinked composite membrane and process for producing the same

GEN DIRECTOR OF THE AGENCY OF10 citations71

US4824573AApr 25, 1989

Crosslinked composite membrane and process for producing the same

GEN DIRECTOR OF THE AGENCY OF4 citations60

TANABE SEIYAKU CO

1 patent

US4909942AMar 20, 1990

Process for removing pyrogens

TANABE SEIYAKU CO74 citations94

DAICEL CHEM

1 patent

US4279846AJul 21, 1981

Process for preparing semipermeable membrane having selective permeability

DAICEL CHEM9 citations73