Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204999 | Flush water supply system for toilet stool | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata | 1993-04-27 |
| 5109550 | Flush water supply system for toilet stool | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata | 1992-05-05 |
| 5052060 | Flush water supply system for toilet stool | Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata | 1991-10-01 |