Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838172 | Composite porous body, gas diffusion layer member, cell member, and manufacturing method thereof | Masahiro Wada, Eiko Kanda, Takeshi Isobe, Komei Kato, Takumi Shibuya +1 more | 2010-11-23 |
| 4889567 | High strength and high toughness steel bar, rod and wire and the process of producing the same | Tadayoshi Fujiwara, Yukio Yamaoka, Yoshiro Yamada, Yasunobu Kawaguchi, Yasuhiro Oki +2 more | 1989-12-26 |