Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855092 | Process for preparing a carbonaceous fuel cell electrode substrate incorporating three-layer separator | Hiroyuki Fukuda, Hisatsugu Kaji, Kuniyuki Saitoh | 1989-08-08 |
| 4818640 | Carbonaceous composite product produced by joining carbonaceous materials together by tetrafluoroethylene resin, and process for producing the same | Hiroyuki Fukuda, Kiyomi Ohuchi, Hisatsugu Kaji, Kuniyuki Saitoh, Masayuki Funabashi | 1989-04-04 |
| 4800887 | X ray-transparent electrode for a living body | Hikonori Abe, Shinichi Nishiyama | 1989-01-31 |