Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270188 | Flush toilet | Hiroshi Hashimoto, Kenichi Nakamura, Shinichi Urata, Isami Sakaba, Yuichi Tsubone +2 more | 2025-04-08 |
| 10271119 | Headrest having speaker | Etsunori Fujita, Yumi Ogura, Takao Uchiyama, Kazuhiro Takenaka | 2019-04-23 |
| 10227229 | Method for manufacturing headrest, and headrest | Etsunori Fujita, Kazuhiro Takenaka, Shigeki Wagata | 2019-03-12 |