Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489552 | Photovoltaic cell module tile | Takeharu Yamawaki, Fumihiro Tanigawa, Isao Yoshida | 2002-12-03 |
| 6453629 | Roofing tile having photovoltaic module to generate power | Ichiro Nakazima, Fumihiro Tanigawa, Takuji Nomura, Isao Yoshida, Kazuhito Hirai | 2002-09-24 |
| 6365824 | Roof tile-cum-solar battery module | Ichiro Nakazima, Fumihiro Tanigawa | 2002-04-02 |
| 6360497 | Photovoltaic cell module tile | Ichiro Nakazima, Fumihiro Tanigawa, Takuji Nomura, Isao Yoshida, Kazuhito Hirai | 2002-03-26 |