Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119024 | Piezoelectric single crystal ingot, producing method therefor and piezoelectric single crystal device | — | 2012-02-21 |
| 8004164 | Piezoelectric single crystal device | — | 2011-08-23 |
| 7888848 | Piezoelectric single crystal device and fabrication method thereof | — | 2011-02-15 |
| 7521844 | Piezoelectric single-crystal device and method of manufacturing the same | — | 2009-04-21 |
| 7518292 | Piezoelectric single crystal and piezoelectric single-crystal device and method for manufacturing the same | Yosuke Iwasaki | 2009-04-14 |
| 7402938 | Piezoelectric single crystal device | Yosuke Iwasaki | 2008-07-22 |
| 7015628 | Piezoelectric single crystal device and fabrication method thereof | Yousuke Iwasaki | 2006-03-21 |
| 6756238 | Domain controlled piezoelectric single crystal and fabrication method therefor | Toshio Ogawa, Yoshihito Tachi | 2004-06-29 |
| 5121931 | Noncontact mechanical seal | Nobuhiro Matsumoto | 1992-06-16 |
| 5067733 | Mechanical seal including a split seal ring | Yataro Nagai, Yuji Yamauchi | 1991-11-26 |
| 5066134 | Fluid agitator | Hiroshi Ohbori, Yuji Yamauchi, Yataro Nagai, Sanjiro Nagai | 1991-11-19 |
| 4997192 | Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same | Yataro Nagai, Osamu Ishibashi, Kiyoshi Terasaki, Kei Tokumoto | 1991-03-05 |
| 4982373 | Fluid agitator | Yataro Nagai, Sanjiro Nagai, Hiroshi Ohbori, Yuji Yamauchi | 1991-01-01 |
| 4925490 | Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same | Yataro Nagai, Osamu Ishibashi, Kiyoshi Terasaki, Kei Tokumoto | 1990-05-15 |
| 4196911 | Mechanical seal | — | 1980-04-08 |