Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444886 | Apparatus for cleaning a piping | Koichi Ishihara | 1995-08-29 |
| 5298271 | Method of preventing edible oils and fats from deteriorating | Takashi Hazama, Akira Kurooka, Norio Maruguchi, Hiroshi Iwasa, Masayoshi Saito | 1994-03-29 |