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Apparatus for producing microporous plastic film |
Seiji Kagawa |
2021-03-09 |
| 10744665 |
Apparatus for producing microporous plastic film |
Seiji Kagawa |
2020-08-18 |
| 10538027 |
Apparatus for producing easy-to-tear plastic film |
Seiji Kagawa |
2020-01-21 |
| 10538026 |
Apparatus for producing microporous plastic film |
Seiji Kagawa |
2020-01-21 |
| 10283284 |
Method and apparatus for producing microporous metal foil |
Seiji Kagawa |
2019-05-07 |
| 9968975 |
Method and apparatus for producing microporous metal foil |
Seiji Kagawa |
2018-05-15 |
| 9889479 |
Method for producing porous metal foil |
Seiji Kagawa |
2018-02-13 |
| 9616640 |
Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatus |
Seiji Kagawa |
2017-04-11 |
| 9238351 |
Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatus |
Seiji Kagawa |
2016-01-19 |
| 9096013 |
Apparatus for forming slant, linear easy-to-tear portions on long plastic film |
Seiji Kagawa |
2015-08-04 |
| 7938998 |
Easy-to-straight-tearing thermoplastic resin film and its production method and apparatus |
Seiji Kagawa |
2011-05-10 |
| 5648107 |
Porous film manufacturing apparatus |
Seiji Kagawa |
1997-07-15 |
| 5451257 |
Porous film and porous film manufacturing apparatus |
Seiji Kagawa |
1995-09-19 |
| 5352108 |
Porous film and porous film manufacturing apparatus |
Seiji Kagawa |
1994-10-04 |