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Inventor
FURUKAWA WATARU
3 patents
⚠️ This page may combine multiple inventors who share the name “FURUKAWA WATARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
2 patents
US4149731A
Apr 17, 1979
Packing for use in steel-pipe hydraulic testing apparatus
SUMITOMO METAL IND
12 citations
72
US4085942A
Apr 25, 1978
Packing for use in steel-pipe hydraulic testing apparatus
SUMITOMO METAL IND
15 citations
72
HITACHI LTD
1 patent
US4088213A
May 9, 1978
Apparatus for transporting cylindrical steel articles
HITACHI LTD
21 citations
75