Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497099 | Ultrasonic washing method for clothes | — | 2009-03-03 |
| 6059886 | Method of ultrasonically cleaning workpiece | — | 2000-05-09 |
| 5746646 | Method of ultrasonically grinding workpiece | — | 1998-05-05 |
| 5617887 | Ultrasonic cleaning apparatus | — | 1997-04-08 |
| 5462604 | Method of oscillating ultrasonic vibrator for ultrasonic cleaning | Tsutou Saito | 1995-10-31 |
| 5447171 | Pressurized ultrasonic cleaning apparatus | — | 1995-09-05 |
| 5439015 | Cleaning apparatus | — | 1995-08-08 |
| 5423131 | Apparatus for drying cleaned workpieces | — | 1995-06-13 |
| 5384989 | Method of ultrasonically grinding workpiece | — | 1995-01-31 |
| 5383483 | Ultrasonic cleaning and deburring apparatus | — | 1995-01-24 |
| 5377709 | Ultrasonic vibrator device for ultrasonically cleaning workpiece | — | 1995-01-03 |
| 5352363 | Process for removal of oil in aqueous liquid | — | 1994-10-04 |
| 5322082 | Ultrasonic cleaning apparatus | — | 1994-06-21 |
| 5186389 | Spray tube ultrasonic washing apparatus | — | 1993-02-16 |
| 5156422 | Swivel joint | — | 1992-10-20 |
| 5104154 | Swivel joint | — | 1992-04-14 |
| 4907611 | Ultrasonic washing apparatus | — | 1990-03-13 |
| 4865060 | Ultrasonic cleaning system | — | 1989-09-12 |