Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833210 | Fuel cell | Narutoshi Sugita, Seiji Sugiura, Hiroyuki Tanaka, Toshiya Wakahoi, Keisuke Andou | 2004-12-21 |
| 6815115 | Fuel cell and fuel cell stack | Narutoshi Sugita, Yoshihiro Nakanishi | 2004-11-09 |
| 6771041 | Cell voltage measuring device for fuel cell | Masahiko Sato, Toshiaki Ariyoshi, Yosuke Fujii | 2004-08-03 |
| 6746258 | Arc-resistant structure of connector | Yuzi Maeda | 2004-06-08 |
| 6692860 | Fuel cell comprising dual seal assembly | Masajiro Inoue, Nobuaki Kimura, Narutoshi Sugita | 2004-02-17 |
| 6682944 | Semiconductor device manufacturing method | Genichi Komuro | 2004-01-27 |
| 6674264 | Cell voltage detector for fuel cell | Masahiko Sato, Toshiaki Ariyoshi, Yosuke Fujii | 2004-01-06 |