Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596968 | Method of producing through-hole in aromatic polyimide film | Tomohiko Yamamoto, Katsumi Kato, Shuichi Hashiguchi | 2003-07-22 |
| 6541122 | Roll of metal film/aromatic polyimide film composite web | Tomohiko Yamamoto, Katsumi Kato | 2003-04-01 |
| 6395992 | Three-dimensional wiring board and electric insulating member for wiring board | Osamu Nakayama, Takuhiro Ishii | 2002-05-28 |
| 6379784 | Aromatic polyimide laminate | Tomohiko Yamamoto, Katsumi Kato, Kazuhiko Yoshioka | 2002-04-30 |
| 6251507 | Flexible aromatic polymide film/metal film composite sheet | Tomohiko Yamamoto, Kazuhiko Yoshioka | 2001-06-26 |
| 6198159 | Bonded wafer, process for producing same and substrate | Kazuhiko Yosioka, Shouzou Katsuki | 2001-03-06 |
| 5849397 | Aromatic polyimide film and polyimide/copper foil composite sheet | Takashi Kohno, Akinori Otani, Hiroshi Inoue | 1998-12-15 |