Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7202412 | Photovoltaic cell including porous semiconductor layer, method of manufacturing the same and solar cell | Ryohsuke Yamanaka, Naoki Koide, Liyuan Han, Hisako Imai, Takehito Mitate | 2007-04-10 |
| 6677516 | Photovoltaic cell and process for producing the same | Masafumi Shimizu, Liyuan Han, Ryohsuke Yamanaka | 2004-01-13 |
| 5200494 | One-pack type epoxide composition | Masao Kubota, Ritaro Nagabuchi | 1993-04-06 |