Akihiro Hasegawa

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Inagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roller guide assembly with sound isolation
- Patent number 6,032,764
- Issue date Mar 7, 2000
- Otis Elevator Company
- John J. Ferrisi
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Roller guide friction damper
- Patent number 5,950,771
- Issue date Sep 14, 1999
- Otis Elevator Company
- John J. Ferrisi
- B66 - HOISTING LIFTING HAULING