P

Inventor

SHIGEI TETSURO

JP7 patents
⚠️ This page may combine multiple inventors who share the name “SHIGEI TETSURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOHO BESLON CO

4 patents
US4671950AJun 9, 1987

High-strength carbonaceous fiber

TOHO BESLON CO36 citations87
US4401533AAug 30, 1983

Surface-treatment of carbon fiber

TOHO BESLON CO12 citations73
US4830845AMay 16, 1989

Precursor for production of preoxidized fibers or carbon fibers

TOHO BESLON CO9 citations72
US4536448AAug 20, 1985

Preoxidized fiber and process for producing the same

TOHO BESLON CO9 citations68

TOHO RAYON KK

2 patents
US5167945ADec 1, 1992

Method for producing graphite fiber

TOHO RAYON KK19 citations71
US5078840AJan 7, 1992

Process for the surface treatment of carbon fiber strands

TOHO RAYON KK9 citations68

TOHO TAYON CO LTD

1 patent
US5482906AJan 9, 1996

Adsorption material comprising activated carbon fiber and polytetrafluoroethylene

TOHO TAYON CO LTD83 citations93