Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7807287 | Multi-layer, microporous membrane, battery separator and battery | Kohtaro Kimishima, Hiroyuki Ozaki, Patrick Brant, Jeffrey L. Brinen, Zerong Lin | 2010-10-05 |
| 7781094 | Microporous composite membrane and its production method and use | Kazuhiro Yamada | 2010-08-24 |
| 7700182 | Microporous polyolefin membrane, its production method, and battery separator | Hiroyuki Ozaki, Kotaro Kimishima, Patrick Brant, Zerong Lin, Jeffery Lawrence Brinen | 2010-04-20 |
| 7479243 | Microporous polyolefin membrane, and method of producing the same | Hidehiko Funaoka, Kotaro Takita, Norimitsu Kaimai, Shigeaki Kobayashi | 2009-01-20 |
| 6824865 | Microporous polyolefin film and process for producing the same | Hidehiko Funaoka, Kotaro Takita, Norimitsu Kaimai, Shigeaki Kobayashi | 2004-11-30 |
| 6666969 | Microporous polyolefin film and process for producing the same | Hidehiko Funaoka, Kotaro Takita, Norimitsu Kaimai, Shigeaki Kobayashi | 2003-12-23 |
| 6566012 | Polyolefin microporous film and method for preparing the same | Kotaro Takita, Hidehiko Funaoka, Norimitsu Kaimai, Shigeaki Kobayashi | 2003-05-20 |
| 6245272 | Polyolefin microporous film and method for preparing the same | Kotaro Takita, Hidehiko Funaoka, Norimitsu Kaimai, Shigeaki Kobayashi | 2001-06-12 |
| 6235432 | Thin non-protonic electrolytic film, immobilized liquid-film conductor, and polymer cell | Kotaro Takita, Norimitsu Kaimai | 2001-05-22 |
| 6218053 | Thin aprotic electrolyte films, immobilized liquid membrane conductors, and batteries | Kotaro Takita, Norimitsu Kaimai | 2001-04-17 |
| 6153133 | Method of producing highly permeable microporous polyolefin membrane | Norimitsu Kaimai, Kotaro Takita, Hidehiko Funaoka | 2000-11-28 |
| 5922492 | Microporous polyolefin battery separator | Kotaro Takita, Norimitsu Kaimai, Soichiro Yamaguchi | 1999-07-13 |
| 5853633 | Method of producing microporous thermoplastic resin membrane | Kotaro Takita | 1998-12-29 |
| 5830554 | Method of producing of microporous polyolefin membrane | Norimitsu Kaimai, Kotaro Takita | 1998-11-03 |
| 5786396 | Method of producing microporous polyolefin membrane | Kotaro Takita, Norimitsu Kaimai | 1998-07-28 |
| 5741848 | Method of manufacturing polyolefin solutions | Tetsuro Nogata, Kotaro Takita, Kenji Miyasaka | 1998-04-21 |
| 5051183 | Microporous polyolefin membrane and method of producing same | Kotaro Takita, Tatsuya Takashima, Kenkichi Okamoto | 1991-09-24 |
| 4873034 | Process for producing microporous ultra-high-molecular-weight polyolefin membrane | Kenkichi Okamoto, Rumi Iwasaki, Shuichi Sawada | 1989-10-10 |
| 4849311 | Immobilized electrolyte membrane | Takuji Itoh, Kazuo Saeki | 1989-07-18 |
| 4734196 | Process for producing micro-porous membrane of ultra-high-molecular-weight alpha-olefin polymer, micro-porous membranes and process for producing film of ultra-high-molecular-weight alpha-olefin polymer | Shoichi Mori, Kenji Miyasaka, Jyoichi Tabuchi | 1988-03-29 |
| 4620955 | Polyethylene microporous membrane and a process for the production of the same | Shoichi Mori, Kenji Miyasaka, Jyoichi Tabuchi | 1986-11-04 |
| 4600633 | Polyethylene superthin film and a process for the production of the same | Shoichi Mori, Kenji Miyasaka, Jyoichi Tabuchi | 1986-07-15 |
| 4588633 | Polyethylene microporous membrane of ultra high molecular weight | Shoichi Mori, Kenji Miyasaka, Jyoichi Tabuchi | 1986-05-13 |