Inventor

YOKOKAWA YASUO

4 patents

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

TOYO JOZO KK

2 patents

US4118336AOct 3, 1978

Novel cellulose microcapsules and preparation thereof

TOYO JOZO KK35 citations89

US4123381AOct 31, 1978

Process for producing cellulose microcapsules, and resulting cellulose microcapsules

TOYO JOZO KK24 citations76

ASAHI CHEMICAL IND

2 patents

US4340481AJul 20, 1982

Membrane filtration type hollow fibers

ASAHI CHEMICAL IND28 citations77

US4234431ANov 18, 1980

Membrane filtration type hollow fibers and method for the preparation of same

ASAHI CHEMICAL IND22 citations77