Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213335 | Method for manufacturing printed circuit boards | Akiji Shibata, Toyoharu Koizumi, Takashi Sato | 2007-05-08 |
| 5533850 | Welding nut | Hideyori Sakuragi, Kazuo Imanishi, Haruhiko Ishikawa | 1996-07-09 |