P

Inventor

SUMITANI KATSUTOSHI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “SUMITANI KATSUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO METAL IND

3 patents
US7823931B2Nov 2, 2010

Tubular threaded joint

SUMITOMO METAL IND23 citations89
US6755444B2Jun 29, 2004

Slim-type threaded joint for oil well pipes

SUMITOMO METAL IND4 citations61
US6698802B2Mar 2, 2004

Pipe joint

SUMITOMO METAL IND6 citations61

NIPPON STEEL & SUMITOMO METAL CORP

1 patent
US9568126B2Feb 14, 2017

Threaded joint for steel pipe

NIPPON STEEL & SUMITOMO METAL CORP3 citations72

SASAKI MASAYOSHI

1 patent
US9205441B2Dec 8, 2015

Coating apparatus for applying a UV curable resin to a threaded end of a steel pipe

SASAKI MASAYOSHI5 citations66