Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518711 | X-ray contrast medium comprising barium and xanthan gum for examination of large intestine and small intestine | Hiroaki Shimizu, Yukihito Wada, Kazuhiro Yamaguchi, Tomio Yamasaki, Michiyuki Ishii +3 more | 1996-05-21 |
| 5160724 | Barium sulfate contrast medium for X-ray examination of the large intestine | Yukihito Wada, Kazuhiro Yamaguchi, Tomio Yamazaki, Isamu Sakai, Shigeru Yokoi +2 more | 1992-11-03 |