Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491808 | Electrolytic etching method, method for producing photovoltaic element, and method for treating defect of photovoltaic element | Ippei Sawayama, Tsutomu Murakami, Masaya Hisamatsu, Yukie Ueno | 2002-12-10 |
| 6472594 | Photovoltaic element and method for producing the same | Akio Hasebe, Tsutomu Murakami, Satoshi Shinkura, Yukie Ueno | 2002-10-29 |
| 6402316 | Recording medium, production process of the recording medium, and image forming process using the recording medium | — | 2002-06-11 |