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Inventor
KITTA TOSHIYUKI
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “KITTA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAPAN NATIONAL RAILWAY
2 patents
US4648224A
Mar 10, 1987
Tendon for prestressed concrete
JAPAN NATIONAL RAILWAY
32 citations
89
US4557087A
Dec 10, 1985
Metallic sheath for a posttensioning method provided with rust proofing treatment
JAPAN NATIONAL RAILWAY
6 citations
59
OILES INDUSTRY CO LTD
1 patent
US4577443A
Mar 25, 1986
Metallic sheath for posttensioning method
OILES INDUSTRY CO LTD
5 citations
58