Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213868 | Working device capable of moving inside pipe | — | 2022-01-04 |
| 11161133 | Surface adhering mobile coating apparatus | — | 2021-11-02 |
| 11022158 | Device capable of adhering by suction to object surface and traveling therealong | — | 2021-06-01 |
| 10913164 | Suction-adhering and self-propelled robotic device | — | 2021-02-09 |
| 10512952 | Intra-pipe turbine blast system | — | 2019-12-24 |
| 9102369 | Travelling device equipped with dual, rotating, negative-pressure suction seals | — | 2015-08-11 |
| 9022159 | Cleaning device for window glass | — | 2015-05-05 |
| 8794636 | Self-sealing flexible seal for sealing inner surface of tube and movable body for inside tube equipped with said seal | — | 2014-08-05 |
| 8127703 | Device closely contacting object surface and movable | — | 2012-03-06 |
| 7938216 | Moving carrier that sticks to surface by use of sticking means such as negative pressure | — | 2011-05-10 |
| 7748487 | Device movable along body surface | — | 2010-07-06 |
| 6932182 | Traveling car | — | 2005-08-23 |
| 6913524 | Suction device provided with negative pressure regulating mechanism | — | 2005-07-05 |
| 5904612 | Surface treating device | — | 1999-05-18 |
| 5752577 | Device capable of suction-adhering to surface of object and moving therealong | — | 1998-05-19 |
| 5592998 | Device capable of suction-adhering to a surface and moving therealong | — | 1997-01-14 |
| 5588900 | Surface treating device | — | 1996-12-31 |
| 5536199 | Traveling device | — | 1996-07-16 |
| 5205085 | Centrifugal blasting apparatus | — | 1993-04-27 |
| 5161631 | Suction device capable of moving along a surface | — | 1992-11-10 |
| 5014803 | Device capable of suction-adhering to a wall surface and moving therealong | — | 1991-05-14 |
| 5007210 | Device capable of suction-adhering to a wall surface and moving therealong | — | 1991-04-16 |
| 4997052 | Device for moving along a wall surface while suction-adhering thereto | — | 1991-03-05 |
| 4984396 | Cleaning device | — | 1991-01-15 |
| 4934475 | Device capable of suction-adhering to a wall surface and moving therealong | — | 1990-06-19 |