Hidetsugu Umezawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tack-in selvage forming apparatus
- Patent number 4,972,881
- Issue date Nov 27, 1990
- Nissan Motor Co., Ltd.
- Hidetsugu Umezawa
- D03 - WEAVING
Information Patent Grant
Tack-in system of shuttleless loom
- Patent number 4,957,144
- Issue date Sep 18, 1990
- Nissan Motor Co., Ltd.
- Tetsuji Watanabe
- D03 - WEAVING
Information Patent Grant
Weft picking device of air jet type weaving loom
- Patent number 4,538,649
- Issue date Sep 3, 1985
- Nissan Motor Co., Ltd.
- Yasushi Kobayashi
- D03 - WEAVING
Information Patent Grant
Weft detaining device of shuttleless loom
- Patent number 4,441,531
- Issue date Apr 10, 1984
- Nissan Motor Co., Ltd.
- Hidetsugu Umezawa
- D03 - WEAVING
Information Patent Grant
Shuttleless loom weft detaining device
- Patent number 4,418,729
- Issue date Dec 6, 1983
- Nissan Motor Co., Ltd.
- Yoshiharu Chiba
- D03 - WEAVING
Information Patent Grant
Weft detaining device for shuttleless loom
- Patent number 4,397,340
- Issue date Aug 9, 1983
- Nissan Motor Co., Ltd.
- Hidetsugu Umezawa
- D03 - WEAVING