Inventor

MORIOKA KIYOTAKA

JP4 patents

⚠️ This page may combine multiple inventors who share the name “MORIOKA KIYOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON KOKAN KK

3 patents

US4933024AJun 12, 1990

Method for manufacturing a high strength rail with good toughness

NIPPON KOKAN KK23 citations87

US4886558ADec 12, 1989

Method for heat-treating steel rail head

NIPPON KOKAN KK11 citations68

US6361625B2Mar 26, 2002

High-strength, damage-resistant rail having hardness distribution of excellent damage-resistance at its head top portion

NIPPON KOKAN KK4 citations60

SEIKO EPSON CORP

1 patent

US9251789B2Feb 2, 2016

Speech-recognition system, storage medium, and method of speech recognition

SEIKO EPSON CORP3 citations68