Yukio Tsutsumi

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Crane safety apparatus
- Patent number 5,730,305
- Issue date Mar 24, 1998
- Kato Works Co., Ltd.
- Akinori Ichiba
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method for detecting a crane hook lifting distance
- Patent number 5,645,181
- Issue date Jul 8, 1997
- Kato Works Co., Ltd.
- Akinori Ichiba
- B66 - HOISTING LIFTING HAULING