Inventor

OTOUMA TAKASHI

3 patents

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

NIPPON ASBESTOS COMPANY LTD

2 patents

US4018964AApr 19, 1977

Method for preparing glassy fiber having protuberances studded on the surface useful for reinforcement and resulting product

NIPPON ASBESTOS COMPANY LTD7 citations69

US3967043AJun 29, 1976

Asbestos articles having dustproof properties

NIPPON ASBESTOS COMPANY LTD3 citations57

NIPPON ASBESTOS CO LTD

1 patent

US4144121AMar 13, 1979

Method for producing asbestos-free calcium silicate board and the board produced thereby

NIPPON ASBESTOS CO LTD48 citations90