Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198996 | Flush toilet | Hiroshi Hashimoto, Takashi Ogami, Isami Sakaba, Haruka Saito, Takumi Tsuchitani | 2021-12-14 |
| 11072920 | Flush toilet | Hiroshi Hashimoto, Takashi Ogami, Takumi Tsuchitani, Isami Sakaba, Haruka Saito | 2021-07-27 |
| 5165470 | Plugging apparatus for heat exchanger | Akira Maekawa, Masaru Tomeoka | 1992-11-24 |