Yasushige Otani

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rust-resistant sleeve for use in a branch hole of a water pipeline
- Patent number 6,158,474
- Issue date Dec 12, 2000
- Tabuchi Co., Ltd.
- Kazuo Ishikawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rust-resistant sleeve for use in a branch hole of a water pipeline
- Patent number 5,971,441
- Issue date Oct 26, 1999
- Tabuchi Co., Ltd.
- Kazuo Ishikawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Boring machine
- Publication number 20060175095
- Publication date Aug 10, 2006
- Tabuchi Co., Ltd.
- Yuji Tsuda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...