Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803332 | Apparatus for plasma treatment of a sheet-like structure | Motoyasu Koyama, Hidetoshi Teraoka, Takao Akagi, Shinji Yamaguchi, Akira Namba +1 more | 1989-02-07 |
| 4728564 | Sheet-like structures and process for producing the same | Takao Akagi, Shinji Yamaguchi | 1988-03-01 |