Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8361676 | Solid polymer type fuel cell separator and method of production of same | Koki Tanaka, Youichi Ikematsu, Hiroshi Kihira, Michio Kaneko, Wataru Hisada | 2013-01-29 |
| 8182961 | Solid polymer type fuel cell separator and method of production of same | Koki Tanaka, Youichi Ikematsu, Hiroshi Kihira, Michio Kaneko, Wataru Hisada | 2012-05-22 |
| 5528306 | Video signal processing circuit for converting digital color difference signals into a carrier chrominance signal | — | 1996-06-18 |