Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328473 | Drill and method of producing printed circuit board | Akinobu Ito | 2012-12-11 |
| 5779283 | Pipe joint unit | Yoshitsugu Kimura, Motonori Onoshi, Keitaro Watanabe | 1998-07-14 |