Hajime Ishii

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for manufacturing hot-rolled sheet steel and devi...
- Patent number 6,722,174
- Issue date Apr 20, 2004
- NKK Corporation
- Takashi Nishii
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and methods for manufacturing hot rolled steel sheets
- Patent number 6,463,652
- Issue date Oct 15, 2002
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Shigeki Narushima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
SEALING SYSTEM
- Publication number 20130307226
- Publication date Nov 21, 2013
- NISHIYAMA CORPORATION OF AMERICA
- Roger Maurice Aspen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER