Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499837 | Piezoelectric element and manufacturing method and manufacturing device thereof | — | 2002-12-31 |
| 6494567 | Piezoelectric element and manufacturing method and manufacturing device thereof | — | 2002-12-17 |
| 6398349 | Piezoelectric device, ink-jet printing head, and method for manufacturing same, and printer | — | 2002-06-04 |
| 6376799 | Laser machining apparatus with a rotatable phase grating | Jun Amako, Tsutomu Ota, Tomio Sonehara | 2002-04-23 |