Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638616 | Oil supply mechanism in a deep excavator | — | 1997-06-17 |
| D379822 | Attachment for a mowing machine | — | 1997-06-10 |
| 5598641 | Raw sewage disposal apparatus | — | 1997-02-04 |
| 5575082 | Raw sewage disposal apparatus | — | 1996-11-19 |
| 5566401 | Cleaning mechanism of a stool | Toyohiko Sunaoka, Mikio Shimoyama | 1996-10-22 |
| 5564133 | Raw sewage disposal apparatus | — | 1996-10-15 |
| 5549437 | Fork lift truck loading mechanism | — | 1996-08-27 |
| 5499890 | Trench shoring device with locking mechanism | — | 1996-03-19 |
| 5473828 | Structure of a clamshell bucket and a hydraulic control circuit | — | 1995-12-12 |
| 5450918 | Laterally movable mechanism of a vehicle | — | 1995-09-19 |
| 5431247 | Lifting apparatus | — | 1995-07-11 |
| 5418982 | Raw sewage disposal apparatus and prefab for accommodating the same | — | 1995-05-30 |
| 5377432 | Deep excavator | — | 1995-01-03 |
| 5375348 | Deep excavator | — | 1994-12-27 |
| 5357880 | Raw sewage disposal apparatus | — | 1994-10-25 |
| 5324162 | Accessory detachable mechanism of construction machine | — | 1994-06-28 |
| 5273719 | Urine treating device | Toyohiko Sunaoka | 1993-12-28 |
| 5267824 | Tool controlling mechanisms for excavator with telescopic arm | — | 1993-12-07 |
| 5261126 | Raw sewage disposal apparatus | — | 1993-11-16 |
| 5257466 | Raw sewage disposal apparatus | — | 1993-11-02 |
| 5256026 | Accessory detachable mechanism of construction machine | — | 1993-10-26 |
| 5252969 | Temporary signal system | — | 1993-10-12 |
| 5249642 | Lifting apparatus | — | 1993-10-05 |
| 5232232 | Mechanism for moving a heavy object | — | 1993-08-03 |
| 5230164 | Raw sewage disposal apparatus | — | 1993-07-27 |