Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9454159 | Pressure regulating valve | Masahiro Kobayashi, Takanori Taga | 2016-09-27 |
| 6623809 | Battery separator and manufacturing method thereof, and alkali secondary battery having the separator incorporated therein | Masahiko Tsukiashi, Hirohito Teraoka, Michiko Tajima | 2003-09-23 |