Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803956 | Color recognition camera | — | 2004-10-12 |
| 5024724 | Dry-etching method | Seiichi Kiyama, Masato Osumi | 1991-06-18 |
| 4981525 | Photovoltaic device | Seiichi Kiyama, Hiroshi Hosokawa | 1991-01-01 |
| 4755475 | Method of manufacturing photovoltaic device | Seiichi Kiyama, Yasuaki Yamamoto, Hideki Imai | 1988-07-05 |