Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117101 | Selectively permeable graphene oxide membrane | Shijun Zheng, Weiping Lin, Yuji Yamashiro, Isamu Kitahara, John Ericson +5 more | 2021-09-14 |
| 10442709 | Selectively permeable graphene oxide membrane | Shijun Zheng, Isamu Kitahara, Makoto Kobuke, Peng Wang, Craig R. Bartels +3 more | 2019-10-15 |
| 9546253 | Polyolefin porous film, method for producing the same and apparatus for producing the same | Kouji Tadokoro, Yoshihiko Kondou, Masatoshi Kawamura | 2017-01-17 |
| 9346652 | Film winding core, and wound film body using same | Shunichirou Sayanagi | 2016-05-24 |
| 9340653 | Method for production of porous film, porous film, separator for non-aqueous electrolyte battery, and non-aqueous electrolyte battery using the separator | Tomoaki Ichikawa, Shinichi Ooizumi, Yoshihiro Uetani, Masaki Ujihara | 2016-05-17 |
| 9142817 | Battery separator and battery using the same | Hiroyoshi Take, Kinkou Sho | 2015-09-22 |
| 9142818 | Battery separator and battery using the same | Hiroyoshi Take, Kinkou Sho | 2015-09-22 |
| 9077025 | Method for production of porous film, porous film, separator for non-aqueous electrolyte battery, and non-aqueous electrolyte battery using the separator | Tomoaki Ichikawa, Shinichi Ooizumi, Yoshihiro Uetani, Masaki Ujihara | 2015-07-07 |
| D715344 | Container for mixer | Masaya Yano, Youzou Yano | 2014-10-14 |
| D715345 | Container for mixer | Masaya Yano, Youzou Yano | 2014-10-14 |
| D715346 | Container for mixer | Masaya Yano, Youzou Yano | 2014-10-14 |
| D715343 | Container for mixer | Masaya Yano, Youzou Yano | 2014-10-14 |
| 8592072 | Battery separator and method for producing the same, and lithium ion secondary battery and method of producing the same | Hiroyoshi Take, Chiharu Odane, Takuji Shintani | 2013-11-26 |
| D683615 | Winding core | Shunichiro Sayanagi | 2013-06-04 |
| D683616 | Winding core | Shunichiro Sayanagi | 2013-06-04 |
| 8349031 | Battery separator and nonaqueous lithium ion secondary battery having the same | Hiroyoshi Take, Sadahiro Nakanishi, Yoshihiro Uetani, Keisuke Kii, Kinkou Sho | 2013-01-08 |
| D668527 | Winding core | Shunichiro Sayanagi | 2012-10-09 |
| D668131 | Winding core | Shunichiro Sayanagi | 2012-10-02 |
| 7704597 | Porous film | Yutaka Yamamura, Seiryu Nakayama | 2010-04-27 |
| 6716553 | Porous films and processes for the production thereof | Shigeru Fujita, Kazushige Yamamoto, Yoshihiro Uetani, Hideyuki Emori, Yutaka Kishii +1 more | 2004-04-06 |
| 6562519 | Microporous film | Kazushige Yamamoto, Mutsuko Yamaguchi, Hideyuki Emori, Yoshihiro Uetani | 2003-05-13 |
| 6559195 | Microporous film | Kazushige Yamamoto, Shigeru Fujita, Yoshihiro Uetani, Hideyuki Emori, Yutaka Yamamura | 2003-05-06 |