Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158124 | Fuel cell electrode catalyst and method for activating catalyst | Masashi Maruyama, Atsushi Sakamoto | 2018-12-18 |
| 9825307 | Anode-side catalyst composition for fuel cells, and membrane electrode assembly (MEA) for solid polymer fuel cells which comprises same | Masashi Maruyama, Atsushi Sakamoto, Takuya Kosaka | 2017-11-21 |
| 4939585 | Method and apparatus for recording a video format signal having a time code | Kaoru Kobayashi | 1990-07-03 |