Inventor

UTSUMI TADAYOSHI

JP3 patents

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

NITIVY CO LTD

2 patents

US4125486ANov 14, 1978

Partially polyenized polyvinyl alcohol fibers with ion-exchange capacity and process for the production thereof

NITIVY CO LTD8 citations68

US4264676AApr 28, 1981

Process for preparing superfine ion-exchange fibers

NITIVY CO LTD10 citations67

LIFE ENERGY INDUSTRY INC

1 patent

US5928784AJul 27, 1999

Polyvinyl alcohol fiber containing tourmaline particles

LIFE ENERGY INDUSTRY INC18 citations78