Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491446 | Annular sliding fluoroplastics member, and method of producing an annular sliding fluoroplastics member | Takahisa Ueda | 2009-02-17 |
| 6660420 | Separator for a fuel cell and a method of producing the same | Tsunemori Yoshida, Katsunori Sugita, Masahito Kaji | 2003-12-09 |
| 6004890 | Heat-resisting material | Takahisa Ueda, Tatsuo Yamazaki, Mamoru Shoji, Masachika Yaguchi | 1999-12-21 |
| 5765838 | Sealing gasket made of expanded graphite, with opened thin-leaf surface structure | Takahisa Ueda, Masaru Fujiwara | 1998-06-16 |
| 5628520 | Sealing material made of expanded graphite having opened thin-leaf surface structure | Takahisa Ueda, Masaru Fujiwara | 1997-05-13 |