Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752246 | Speed governor and elevator employing the speed governor | Kazuhiko Takai | 2004-06-22 |
| 6744183 | Method of bonding piezoelectric element and electrode, and piezoelectric microactuator using the bonding method | Masayuki Kitajima, Yutaka Noda, Seiichi Shimoura, Toru Okada, Masanao Fujii +4 more | 2004-06-01 |
| 6712183 | Traction elevator | Motoharu Otsuka | 2004-03-30 |