Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7966676 | Toilet bowl flushing water tank device | Eiji Fukuzawa, Haruki Matsuda, Yukihiro Muroya | 2011-06-28 |
| 5321907 | Method and apparatus for storing horticultural plants | Hiroshi Amatsu, Teruyuki Tashiro, Shingo Takamatsu, Yukihito Morimoto | 1994-06-21 |