Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309743 | Door unlocking device | Sadao Kokubu, Yoshiyuki Mizuno | 1994-05-10 |
| 5307658 | Key cylinder device | Sadao Kokubu, Yoshiyuki Mizuno | 1994-05-03 |
| 5276122 | Method of manufacturing aminogroup-containing polysiloxanes of uniform quality | Shoji Ichinohe, Kazuaki Sutoh | 1994-01-04 |