Shiro Ishii

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Patents Grantslast 30 patents

Information Patent Grant
Method of destroying a brittle body by hydration expansion
- Patent number 4,816,194
- Issue date Mar 28, 1989
- Onoda Cement Co., Ltd
- Takaaki Katayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Expansive demolition agent
- Patent number 4,807,530
- Issue date Feb 28, 1989
- Onoda Cement Co., Ltd.
- Shiro Ishii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Demolition agent, its preparation and its use
- Patent number 4,354,877
- Issue date Oct 19, 1982
- Onoda Cement Company, Ltd.
- Toshio Kawano
- F42 - AMMUNITION BLASTING
Information Patent Grant
Demolition agent for brittle materials
- Patent number 4,316,583
- Issue date Feb 23, 1982
- Onoda Cement Company, Ltd.
- Toshio Kawano
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES