Masahiro Oka

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Remote order acceptance design system and elevator remote order acc...
- Patent number 7,359,840
- Issue date Apr 15, 2008
- Hitachi, Ltd.
- Shingo Akasaka
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Remote order acceptance design system and elevator remote order acc...
- Patent number 7,249,250
- Issue date Jul 24, 2007
- Hitachi, Ltd.
- Shingo Akasaka
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Remote order acceptance design system and elevator remote order acc...
- Publication number 20070250199
- Publication date Oct 25, 2007
- Shingo Akasaka
- B66 - HOISTING LIFTING HAULING