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Inventor
OKUMURA NOBUYA
4 patents
⚠️ This page may combine multiple inventors who share the name “OKUMURA NOBUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIJIN LTD
3 patents
US4446262A
May 1, 1984
Protection from ultraviolet light by use of novel ultraviolet absorber
TEIJIN LTD
88 citations
95
US4131601A
Dec 26, 1978
Process for the preparation of polyesters
TEIJIN LTD
26 citations
77
US4133801A
Jan 9, 1979
Process for the preparation of polyesters
TEIJIN LTD
10 citations
69
TEIJIN FIBERS LTD
1 patent
US7487577B2
Feb 10, 2009
Recycle method and system thereof
TEIJIN FIBERS LTD
5 citations
59