Inventor · disambiguated record
Ryujiro Shitamatsu
Also filed as: SHITAMATSU RYUJIRO
5 granted patents·56 citations·filing 1981–1981
80Inventor score
Files withKOBE STEEL LTD5
Top patents by PatentIndex Score
5 records- 0170US4392506AApparatus for conveying tubular materials in pickling facilities of the sameKOBE STEEL LTD·Filed 1981·Granted Jul 12, 1983·17 cites·11 claims
- 0258US4425062ACutting and chamfering apparatus for opposing ends of tubular materialKOBE STEEL LTD·Filed 1981·Granted Jan 10, 1984·16 cites·12 claims
- 0356US4398552AApparatus for pickling the inner wall of tubular materialKOBE STEEL LTD·Filed 1981·Granted Aug 16, 1983·9 cites·17 claims
- 0454US4392267AApparatus for continuously pickling the outer surfaces of tubular materialsKOBE STEEL LTD·Filed 1981·Granted Jul 12, 1983·8 cites·6 claims
- 0546US4397328ACleaning apparatus of tubular materials for use in pickling facilities for the sameKOBE STEEL LTD·Filed 1981·Granted Aug 9, 1983·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →