Inventor

KOMAI NOBUYOSHI

JP10 patents

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

MITSUBISHI HEAVY IND LTD

5 patents

US6919534B2Jul 19, 2005

Welded joints in high strength, heat resistant steels, and a welding method therefor

MITSUBISHI HEAVY IND LTD13 citations79

US6935552B2Aug 30, 2005

High-precision method and apparatus for evaluating creep damage

MITSUBISHI HEAVY IND LTD10 citations73

US5814274ASep 29, 1998

Low-Cr ferritic steels and low-Cr ferritic cast steels having excellent high teperature strength and weldability

MITSUBISHI HEAVY IND LTD9 citations72

US5945064AAug 31, 1999

Welding material for low chromium (Cr) ferritic steel having high toughness

MITSUBISHI HEAVY IND LTD16 citations71

US11378526B2Jul 5, 2022

Faulted condition determination device and faulted condition determination method

MITSUBISHI HEAVY IND LTD0 citations54

SUMITOMO METAL IND

2 patents

US5746843AMay 5, 1998

Low Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperatures

SUMITOMO METAL IND26 citations91

US6379611B1Apr 30, 2002

High strength, low alloy, heat resistant steel

SUMITOMO METAL IND22 citations90

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD

1 patent

US12442054B2Oct 14, 2025

Austenitic stainless cast steel and method for producing austenitic stainless cast steel

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations59

MITSUBISHI POWER LTD

1 patent

US11872663B2Jan 16, 2024

Repair welding method

MITSUBISHI POWER LTD0 citations48

KOMAI NOBUYOSHI

1 patent

US9689789B2Jun 27, 2017

Damage evaluation method and maintenance evaluation index decision method

KOMAI NOBUYOSHI0 citations32