Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009282 | Attachment angle measuring device and attachment angle measuring method | Shinji Tohyama, Koji Tomida | 2011-08-30 |
| D492398 | Toilet seat unit | Hisatoyo Kato | 2004-06-29 |