Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1067394 | Toilet seat | Kazuki Otsuka, Hiroshi Shimoda, Hirotaka Nakabayashi | 2025-03-18 |
| D952110 | Toilet seat | Kazuki Otsuka, Hiroshi Shimoda | 2022-05-17 |
| D931994 | Toilet tank | Tomohiro Miyazaki | 2021-09-28 |
| D849213 | Lavatory | — | 2019-05-21 |
| D811561 | Lavatory | Yuji Yoshioka | 2018-02-27 |
| 8337033 | Washing counter | Takeshi Kaneda, Hiroshi Nagakawa, Shigeru Asoh, Chihiro Sugiyama, Mitsunori Koga +1 more | 2012-12-25 |
| D603487 | Lavatory | Shigeru Aso, Takeshi Kaneda | 2009-11-03 |
| D598994 | Lavatory | Shigeru Aso, Takeshi Kaneda | 2009-08-25 |
| D598992 | Lavatory | Shigeru Aso, Takeshi Kaneda | 2009-08-25 |
| D538905 | Lavatory | — | 2007-03-20 |
| D516676 | Faucet and handle set | — | 2006-03-07 |