Inventor · disambiguated record
Shinichi Nagahashi
Also filed as: NAGAHASHI SHINICHI
4 granted patents·55 citations·filing 1986–1999
77Inventor score
Technology areasC21D
Files withNIPPON KOKAN KK4
Top patents by PatentIndex Score
4 records- 0183US4933024AMethod for manufacturing a high strength rail with good toughnessNIPPON KOKAN KK·Filed 1988·Granted Jun 12, 1990·23 cites·26 claims
- 0278US4767475AWear resistant rails having capability of preventing propagation of unstable ruptureNIPPON KOKAN KK·Filed 1986·Granted Aug 30, 1988·17 cites·16 claims
- 0363US4886558AMethod for heat-treating steel rail headNIPPON KOKAN KK·Filed 1988·Granted Dec 12, 1989·11 cites·2 claims
- 0438US6361625B2High-strength, damage-resistant rail having hardness distribution of excellent damage-resistance at its head top portionNIPPON KOKAN KK·Filed 1999·Granted Mar 26, 2002·4 cites·22 claims
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