Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1092696 | Shower handle | — | 2025-09-09 |
| D1091775 | Shower handle | — | 2025-09-02 |
| D1004752 | Faucet spout | Bowen Peng, Atsushi Toyohara, Takanori Shimazoe | 2023-11-14 |
| D969976 | Faucet | Bowen Peng, Atsushi Toyohara, Takanori Shimazoe | 2022-11-15 |
| D811544 | Faucet handle lever | Shogo Takayama, Atsushi Toyohara, Yusuke Takiguchi, Keishi Tomiya | 2018-02-27 |
| D810890 | Faucet spout | Shogo Takayama, Atsushi Toyohara, Yusuke Takiguchi, Keishi Tomiya | 2018-02-20 |
| D797901 | Automatic faucet | Yusuke Takiguchi | 2017-09-19 |
| D797900 | Automatic faucet | Yusuke Takiguchi | 2017-09-19 |
| D734841 | Toilet seat with cleaning function | Shogo Takayama, Masafumi Ishikawa | 2015-07-21 |
| D688358 | Toilet seat with cleaning function | Yusuke Takiguchi | 2013-08-20 |
| D688359 | Toilet seat with cleaning function | Yusuke Takiguchi | 2013-08-20 |
| D638102 | Faucet | Mitsuya Obara, Rie Tsuji | 2011-05-17 |
| D620566 | Water closet | Yasushi Takahashi, Hiroyuki Takeuchi | 2010-07-27 |
| D517655 | Faucet and handle set | Atsushi Toyohara | 2006-03-21 |
| D517169 | Faucet and handle set | Atsushi Toyohara | 2006-03-14 |