Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211259 | Lifting apparatus | — | 1993-05-18 |
| 5152074 | Raw sewage drying apparatus | — | 1992-10-06 |
| 5149399 | Liquid evaporator | Toyohiko Sunaoka | 1992-09-22 |
| 5139110 | Lifting apparatus | — | 1992-08-18 |
| 5135348 | Earth-working machine | Yokichi Nagasawa | 1992-08-04 |
| 5121812 | Folding scaffold unit | Minoru Ochiai, Soichi Kiya, Mikio Takenoshita, Nobuyuki Kurosaki | 1992-06-16 |
| 5119949 | Crane vehicle with operation speed control | — | 1992-06-09 |
| 5111907 | Lifting apparatus | — | 1992-05-12 |
| 5107955 | Operation control mechanism of lifting apparatus | — | 1992-04-28 |
| 5099950 | Lifting apparatus | — | 1992-03-31 |
| 5092733 | Tool controlling mechanisms for excavator with telescopic arm | — | 1992-03-03 |
| 5058213 | Raw sewage drying apparatus | Toyohiko Sunaoka | 1991-10-22 |
| 4999930 | Raw sewage drying apparatus | Toyohiko Sunaoka | 1991-03-19 |
| 4982853 | Reinforcement mechanism for multi-stage telescopic boom | — | 1991-01-08 |
| D306369 | Mobile elevating working platform | — | 1990-02-27 |
| D304117 | Elevating working platform | — | 1989-10-17 |
| 4797060 | Earth-working machine | Yokichi Nagasawa | 1989-01-10 |
| 4746264 | Earth-working machine | Yokichi Nagasawa | 1988-05-24 |
| 4741413 | Elevating apparatus | — | 1988-05-03 |
| 4699281 | Telescopic boom mechanism | — | 1987-10-13 |
| 4638887 | Elevating apparatus | — | 1987-01-27 |
| 4596508 | Earth-working machine | Yokichi Nagasawa | 1986-06-24 |
| 4529063 | Elevating apparatus | — | 1985-07-16 |
| 4466509 | Elevating device | — | 1984-08-21 |
| 4433495 | Digger with supporting base pivotable on transversible member | — | 1984-02-28 |