| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 6 | |
| #2 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Optics | |
| #3 | Basic materials chemistry | |
| #4 | Surface technology and coating | |
| #5 | Macromolecular chemistry and polymers | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hara Shigeo | 11 |
| #2 | Hara Terufumi | 4 |
| #3 | Yamanaka Takahiko | 4 |
| #4 | Hara Shigeharu | 2 |
| #5 | Yokoyama Shoichi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2001225695A | Covering device for motor truck deck | |
| JP2000264121A | Cover device for truck bed | |
| JP2000052847A | Cover device for load-carrying platform of truck | |
| JPH11105615A | Cover device for cargo bed for truck | |
| JPH092175A | Bumper device for dump car | |
| JPH08209619A | Positioning/fixing method for frame pillar for civil work and positioning metal fitting used therefor |