Patent | Date |
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Apparatus for producing microporous plastic film Grant 10,940,618 - Kagawa , et al. March 9, 2 | 2021-03-09 |
Apparatus for producing microporous plastic film Grant 10,744,665 - Kagawa , et al. A | 2020-08-18 |
Apparatus for producing easy-to-tear plastic film Grant 10,538,027 - Kagawa , et al. Ja | 2020-01-21 |
Apparatus for producing microporous plastic film Grant 10,538,026 - Kagawa , et al. Ja | 2020-01-21 |
Apparatus For Producing Microporous Plastic Film App 20190248035 - KAGAWA; Seiji ;   et al. | 2019-08-15 |
Method and apparatus for producing microporous metal foil Grant 10,283,284 - Kagawa , et al. | 2019-05-07 |
Apparatus For Producing Easy-to-tear Plastic Film App 20180215090 - KAGAWA; Seiji ;   et al. | 2018-08-02 |
Apparatus For Producing Microporous Plastic Film App 20180178442 - KAGAWA; Seiji ;   et al. | 2018-06-28 |
Method and apparatus for producing microporous metal foil Grant 9,968,975 - Kagawa , et al. May 15, 2 | 2018-05-15 |
Method for producing porous metal foil Grant 9,889,479 - Kagawa , et al. February 13, 2 | 2018-02-13 |
Apparatus For Producing Microporous Plastic Film App 20170368725 - KAGAWA; Seiji ;   et al. | 2017-12-28 |
Method And Apparatus For Producing Microporous Metal Foil App 20170103857 - KAGAWA; Seiji ;   et al. | 2017-04-13 |
Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatus Grant 9,616,640 - Kagawa , et al. April 11, 2 | 2017-04-11 |
Method And Apparatus For Producing Microporous Metal Foil App 20160107211 - KAGAWA; Seiji ;   et al. | 2016-04-21 |
Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatus Grant 9,238,351 - Kagawa , et al. January 19, 2 | 2016-01-19 |
Composite Film Of Linearly-scratched, Thin Metal Film And Plastic Film, And Its Production Apparatus App 20150382518 - KAGAWA; Seiji ;   et al. | 2015-12-31 |
Apparatus for forming slant, linear easy-to-tear portions on long plastic film Grant 9,096,013 - Kagawa , et al. August 4, 2 | 2015-08-04 |
Method For Producing Porous Metal Foil App 20150114065 - KAGAWA; Seiji ;   et al. | 2015-04-30 |
Apparatus For Forming Slant, Linear Easy-to-tear Portions On Long Plastic Film App 20130129852 - KAGAWA; Seiji ;   et al. | 2013-05-23 |
Easy-to-straight-tearing thermoplastic resin film and its production method and apparatus Grant 7,938,998 - Kagawa , et al. May 10, 2 | 2011-05-10 |
Composite Film Of Linearly-scratched, Thin Metal Film And Plastic Film, And Its Production Apparatus App 20110008580 - Kagawa; Seiji ;   et al. | 2011-01-13 |
Easy-to-straight-tearing Thermoplastic Resin Film And Its Production Method And Apparatus App 20100007050 - KAGAWA; Seiji ;   et al. | 2010-01-14 |
Linearly easy-to-rupture thermoplastic resin film, and method and device for manufacturing the resin film App 20050233102 - Kagawa, Seiji ;   et al. | 2005-10-20 |
Porous film and porous film manufacturing apparatus Grant 5,451,257 - Kagawa , et al. September 19, 1 | 1995-09-19 |
Porous film and porous film manufacturing apparatus Grant 5,352,108 - Kagawa , et al. October 4, 1 | 1994-10-04 |