Hiroko Ishida

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hoisting and lowering driving engagement multi-row chain
- Patent number 7,980,978
- Issue date Jul 19, 2011
- Tsubakimoto Chain Co.
- Toshihiko Takashima
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Hoisting and lowering driving engagement multi-row chain
- Publication number 20090118048
- Publication date May 7, 2009
- Tsubakimoto Chain Co.
- Toshihiko Takashima
- B66 - HOISTING LIFTING HAULING