Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789865 | Printing apparatus and printing system | Sohei Tanaka, Masafumi Wataya, Yasutomo Watanabe, Akira Kuronuma, Toru Nakayama +2 more | 2004-09-14 |
| 6709781 | Separators for solid polymer fuel cells and method for producing same, and solid polymer fuel cells | Yuichi Yoshida, Tsutomu Haeno, Hiroshi Kihira | 2004-03-23 |
| 6700402 | Output control circuit and output control method | Souhei Tanaka, Masafumi Wataya, Akira Kuronuma, Toru Nakayama, Takuji Katsu | 2004-03-02 |