Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291806 | Non-woven fabric and separator for electrochemical elements | Akihiko Kawano | 2025-05-06 |
| 11862810 | Separator for electrochemical element | Hiroki CHO, Yoshinori Sato, Ayuka NOGUCHI, Akihiko Kawano, Yasuhiro Ito | 2024-01-02 |
| 8741489 | Separator for lithium ion secondary battery, method for manufacture thereof, and lithium ion secondary battery | Hiroshi Ohnishi, Te Hyon Cho, Yuka Kondo, Yoshikazu Miyata, Tatsuo Nakamura +1 more | 2014-06-03 |
| 8546025 | Lithium ion secondary battery | Tatsuo Nakamura, Hiroshi Ohnishi, Yuka Kondo, Koji Kimura, Te Hyon Cho +1 more | 2013-10-01 |
| 8486554 | Alkaline battery separator, process for production thereof and alkaline batteries | Yasuhiro Ito, Yoshihiko Kondo | 2013-07-16 |
| 7923143 | Battery separator and battery comprising same | Toshiaki Takase, Yasuhiro Ito, Yoshihiko Kondo | 2011-04-12 |
| RE41203 | Alkaline battery separator and process for producing the same | Masaki Hirooka, Toshiaki Takase | 2010-04-06 |
| 7598001 | Alkaline battery, current collector, electrode, and method of manufacturing electrode | Kazuya Tsuda, Kunikazu Nagai, Hiroyuki Imai, Yoshitaka Mayuzumi, Kazuya Sato +1 more | 2009-10-06 |
| 7402539 | Battery separator | Toshiaki Takase, Yoshihiko Kondo, Noriko Miyaguchi | 2008-07-22 |
| 6607859 | Alkaline battery separator and process for producing the same | Masaki Hirooka, Toshiaki Takase | 2003-08-19 |
| 6586137 | Battery separator | Hiroaki Yamazaki, Yoshihiko Kondo, Keisuke Takahashi, Toshiaki Takase, Shinji Oota | 2003-07-01 |
| 6423445 | Alkaline battery separators | Koichi Kato, Kazuya Sato | 2002-07-23 |
| 6355375 | Alkaline battery separator and process for producing the same | Nobutoshi Tokutake | 2002-03-12 |
| 6348286 | Alkaline battery separator and process for producing the same | Kazuya Sato, Koichi Kato, Yasuhiro Ito, Hiroaki Yamazaki, Masaki Hirooka +1 more | 2002-02-19 |
| 6183913 | Alkaline battery separator and process for producing the same | Koji Kimura, Nobutoshi Tokutake | 2001-02-06 |
| 6037079 | Alkaline battery separator and process for producing the same | Nobutoshi Tokutake | 2000-03-14 |
| 6030727 | Alkaline battery separator and process for producing the same | Nobutoshi Tokutake | 2000-02-29 |
| 5290645 | Battery separator and a battery | Nobutoshi Tokutake, Yoshihiko Kondo, Hiroaki Yamazaki, Masaki Hirooka, Koji Kimura | 1994-03-01 |
| 5012259 | Color recorder with gas laser beam scanning | Tsuyoshi Hattori, Syoji Matsuzaka | 1991-04-30 |
| 4873576 | Camera equipped with a television set | Tsuyoshi Hattori, Syoji Matsuzaka | 1989-10-10 |