Inventor · disambiguated record
Kiyotaka Morioka
Also filed as: MORIOKA KIYOTAKA
4 granted patents·41 citations·filing 1988–2013
75Inventor score
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
- 0263US9251789B2Speech-recognition system, storage medium, and method of speech recognitionSEIKO EPSON CORP·Filed 2013·Granted Feb 2, 2016·3 cites·8 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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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →