Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085754 | Cation exchange membrane having high durability with diffusion coating on marginal areas of the membrane | Hiroshi Sagami | 1992-02-04 |
| 4839015 | Hydrogen-evolution electrode and a method of producing the same | Yasuhide Noaki | 1989-06-13 |