Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531661 | Multilayer printed circuit board and method of making the same | Keiji Arai, Kazuhiko Iijima, Naoto Maezawa | 2003-03-11 |
| 6021833 | Manufacturing line for multi-layered printed circuit boards | Keiji Arai, Kouji Takamachi, Tohru Matsui, Ryo Fujita, Tohru Goto +5 more | 2000-02-08 |
| 5637426 | Method and apparatus for forming resist pattern, and printed wiring board fabricated thereby | — | 1997-06-10 |