Inventor

OTOME YOHEI

JP7 patents

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

NIPPON STEEL & SUMITOMO METAL CORP

2 patents

US9322087B2Apr 26, 2016

Stainless steel for oil well, stainless steel pipe for oil well, and method of manufacturing stainless steel for oil well

NIPPON STEEL & SUMITOMO METAL CORP5 citations71

US9783876B2Oct 10, 2017

Stainless steel for oil wells and stainless steel pipe for oil wells

NIPPON STEEL & SUMITOMO METAL CORP5 citations69

NIPPON STEEL CORP

2 patents

US12054798B2Aug 6, 2024

Steel material and method for producing steel material

NIPPON STEEL CORP0 citations61

US11891680B2Feb 6, 2024

Steel material suitable for use in sour environment

NIPPON STEEL CORP0 citations47

TAKABE HIDEKI

1 patent

US9109268B2Aug 18, 2015

Stainless steel for oil well, stainless steel pipe for oil well, and method of manufacturing stainless steel for oil well

TAKABE HIDEKI1 citations45

OTOME YOHEI

1 patent

US8071020B2Dec 6, 2011

High strength Cr-Ni alloy material and seamless pipe for oil well

OTOME YOHEI0 citations44

OHE TARO

1 patent

US9303296B2Apr 5, 2016

High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well

OHE TARO0 citations43