Yatsuhiro Tani

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electret Filter
- Patent number 5,436,054
- Issue date Jul 25, 1995
- Toyo Boseki Kabushiki Kaisha
- Yatsuhiro Tani
- B32 - LAYERED PRODUCTS
Information Patent Grant
Flexible tubular filtering material
- Patent number 5,240,610
- Issue date Aug 31, 1993
- Toyo Boseki Kabushiki Kaisha
- Yatsuhiro Tani
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Electret sheet and a method for the production of the same
- Patent number 5,112,677
- Issue date May 12, 1992
- Toyo Boseki Kabushiki Kaisha
- Yatsuhiro Tani
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for the production of an electret sheet
- Patent number 5,110,620
- Issue date May 5, 1992
- Toyo Boseki Kabushiki Kaisha
- Yatsuhiro Tani
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter and process for the production thereof
- Patent number 4,983,193
- Issue date Jan 8, 1991
- Toyo Koseki Kabushiki Kaisha
- Yatsuhiro Tani
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Process for making a filter having a continuous density gradient
- Patent number 4,731,135
- Issue date Mar 15, 1988
- Toyo Boseki Kabushiki Kaisha
- Yatsuhiro Tani
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS