Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616988 | Sulfur containing atomic group introduced porous article, process for introducing a sulfur containing atomic group onto the outer-inner surfaces of a porous article, and a battery separator | Yasushi Takeuchi, Masaaki Kawabe, Masashi Kaneko, Genya Anan, Kazuya Sato | 2003-09-09 |
| 6586137 | Battery separator | Masanao Tanaka, Yoshihiko Kondo, Keisuke Takahashi, Toshiaki Takase, Shinji Oota | 2003-07-01 |
| 6510136 | Method and apparatus for setting a signaling virtual channel for an ATM exchange system | Makoto Tanaka, Shoji Fuwa, Fumiyasu Tanaka, Atsushi Niwa, Takashi Nakashima | 2003-01-21 |