Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298271 | Method of preventing edible oils and fats from deteriorating | Shoichi Takashina, Takashi Hazama, Akira Kurooka, Norio Maruguchi, Hiroshi Iwasa | 1994-03-29 |
| 5297014 | Switching DC power supply apparatus | Takashi Birumachi | 1994-03-22 |