Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421842 | Holder for toilet-bowl seat and seat lid operating hinges | — | 2002-07-23 |
| 6389611 | Hinge device for supporting seat and seat lid of toilet bowl openably and closably | — | 2002-05-21 |
| 6378171 | Tilting hinge | Naokazu Suzuki, Isao Nagashima | 2002-04-30 |