Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381321 | Toilet apparatus | Takahiro Nakamura, Kenjirou Arashi | 2013-02-26 |
| 6195810 | Flushing device for disposing of human waste with improved drainage properties | Takaya Minamiyama, Yasushi Sato, Masato Suzuki, Katsuyuki Okumura, Takahiro Nakamura +1 more | 2001-03-06 |