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Inventor
ONAKA JUNJI
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “ONAKA JUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
2 patents
US4955498A
Sep 11, 1990
Sealing structure of pressure container
SUMITOMO HEAVY INDUSTRIES
2 citations
54
US4942972A
Jul 24, 1990
Pressure vessel
SUMITOMO HEAVY INDUSTRIES
0 citations
44
HIRAOKA EIICHI
1 patent
US4960221A
Oct 2, 1990
Pressure vessel
HIRAOKA EIICHI
1 citations
37