Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691010 | Arc discharge plasma CVD method for forming diamond-like carbon films | Keiichi Kuramoto, Hitoshi Hirano, Seiichi Kiyama | 1997-11-25 |
| 5629086 | Hard-carbon-film-coated substrate and apparatus for forming the same | Hitoshi Hirano, Keiichi Kuramoto, Seiichi Kiyama | 1997-05-13 |
| 5626963 | Hard-carbon-film-coated substrate and apparatus for forming the same | Hitoshi Hirano, Keiichi Kuramoto, Seiichi Kiyama | 1997-05-06 |
| 5458928 | Method of forming metal material film with controlled color characteristic | Seiichi Kiyama, Hitoshi Hirano, Keiichi Kuramoto | 1995-10-17 |
| 5428961 | Micromachines | Takahisa Sakakibara, Hiroaki Izu, Seiichi Kiyama, Hitoshi Hirano, Keiichi Kuramoto +8 more | 1995-07-04 |