Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352028 | Flush toilet apparatus | Takumi Tsuchitani, Kenichi Nakamura, Hiroshi Hashimoto, Shinichi Urata, Koichiro MATSUMURA | 2025-07-08 |
| 12054929 | Flush toilet | Kenichi Nakamura, Hiroshi Hashimoto, Yuichi Tsubone, Shigeru Okada, Kenichi Takano +1 more | 2024-08-06 |
| 12000131 | Flush toilet | Yuichi Tsubone, Hiroshi Hashimoto, Yuya Miyake, Shigeru Okada, Kenichi Takano | 2024-06-04 |
| 11987968 | Flush toilet device | Hiroshi Hashimoto, Kenichi Nakamura, Takumi Tsuchitani, Shinichi Urata, Koichiro MATSUMURA | 2024-05-21 |