Yoshinobu Chaen

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Patents Grantslast 30 patents

Information Patent Grant
Automatic lifting angle adjuster for lifting wire rope
- Patent number 5,342,104
- Issue date Aug 30, 1994
- Sankyu Inc.
- Masanori Sato
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Automatic lifting angle adjuster for lifting wire rope
- Patent number 5,207,795
- Issue date May 4, 1993
- Sankyu, Inc.
- Masanori Sato
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Rotary load lifting hook device
- Patent number 5,125,707
- Issue date Jun 30, 1992
- Sankyu Inc.
- Yoshinobu Chaen
- B66 - HOISTING LIFTING HAULING