Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648182 | Fuel cell power generation system | Takeshi Hara, Noriyuki Takada | 1997-07-15 |
| 5631532 | Fuel cell/battery hybrid power system for vehicle | Ryuji Azuma, Takeshi Hara | 1997-05-20 |
| 5609818 | Steel excellent in corrosion resistance and processability | Akihiro Miyasaka | 1997-03-11 |