Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823039 | Apparatus for drawing wire using a heated drawing die and cooling device | Katsumi Umeda, Kanji Umekawa, Yasushi Umeda | 1998-10-20 |
| 4768951 | Dental tray | Masao Abiru, Bunsaku Yoshida | 1988-09-06 |