Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334590 | Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary battery | Akinori BANDO, Daisuke Yamaguchi, Yuki YONEGUCHI | 2025-06-17 |
| 11764440 | Nonaqueous electrolyte secondary battery separator | Yuki YONEGUCHI, Yoshinori Sato | 2023-09-19 |
| 10707465 | Film manufacturing method, film manufacturing apparatus, and film | Akihiko SHIN | 2020-07-07 |
| 10014503 | Nonaqueous electrolyte secondary battery separator, nonaqueous electrolyte secondary battery laminated separator, nonaqueous electrolyte secondary battery member, and nonaqueous electrolyte secondary battery | Masateru SEMBARA, Hiroshi Hamamatsu | 2018-07-03 |
| 8049105 | Porous electrodes, devices including the porous electrodes, and methods for their production | Ryuma Kuroda | 2011-11-01 |
| 7282109 | Method for producing laminated porous polyolefin film and laminated porous polyolefin film | Ryuma Kuroda, Takeshi Yamada | 2007-10-16 |
| 7223806 | Manufacturing method of film-like materials of resin and film-like materials of resin | Ryuma Kuroda, Satoshi Hanada, Takeshi Yamada | 2007-05-29 |
| 7049361 | Polyolefin series resinfilm, composition for preparing the same, process for preparing the composition for preparing the same, and apparatus for preparing the same | Ryuma Kuroda, Satoshi Hanada, Takeshi Yamada | 2006-05-23 |
| 6918559 | Method of slitting a battery separator-use resin film object and such a battery separator-use resin film object | Ryuma Kuroda, Satoshi Hanada, Takeshi Yamada | 2005-07-19 |
| 6884836 | Polyolefin based resin film and a composition for a polyolefin type resin film | Ryuma Kuroda, Satoshi Hanada, Takeshi Yamada | 2005-04-26 |
| 6852270 | Production method of drawn film | Ryuma Kuroda, Satoshi Hanada, Takeshi Yamada | 2005-02-08 |
| 6638988 | Porous film, separator for cell, and cell | Takeshi Yamada, Ryuma Kuroda | 2003-10-28 |