Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11547308 | Blood pressure monitor | Naoki Mori, Kazuhiro Matsui | 2023-01-10 |
| 8430608 | Drill | Seiji Ohhashi | 2013-04-30 |
| 8147343 | Tap | Seiji Ohhashi | 2012-04-03 |
| 6217267 | Cold forming tap having internal finish cutting edge and method of producing the same | Shigeru Hayashi, Kazumitsu Minagawa | 2001-04-17 |