Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666672 | Toilet attachment with easily detachable seat | Ayse Birsel, Noriko Hiraga, Junichi Tani, Kenichi Nagato, Koichi Watanabe | 1997-09-16 |
| 5625911 | Apparatus for sampling urine | Chiaki Nakayama, Naoki Sato, Hiroshi Tsuboi | 1997-05-06 |