Toshimasa Itou

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rolled steel bar for hot forging, hot-forged section material, and...
- Patent number 9,994,943
- Issue date Jun 12, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Naoki Matsui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot-forged section material and common rail
- Patent number 9,951,403
- Issue date Apr 24, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Naoki Matsui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
ROLLED STEEL BAR FOR HOT FORGING, HOT-FORGED SECTION MATERIAL, AND...
- Publication number 20180057917
- Publication date Mar 1, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Naoki MATSUI
- C21 - METALLURGY OF IRON
Information Patent Application
ROLLED STEEL BAR FOR HOT FORGING, HOT-FORGED SECTION MATERIAL, AND...
- Publication number 20150034049
- Publication date Feb 5, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Naoki Matsui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...