| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nojima Akihiko | 8 |
| #2 | Nakanishi Masahide | 3 |
| #3 | Shinohara Yuji | 1 |
| #4 | Matsunaga Kazunori | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH1161875A | Replaceable multi-functional attachment | |
| JPH10331185A | Drum crusher | |
| JPH10266255A | Skeleton bucket with screen device | |
| JPH09262488A | Driving device for attachment type crusher and jaw crusher | |
| JPH09105236A | Attachment for fitting to shovel | |
| JPH09105235A | Pinching device for scrap for fitting to power shovel | |
| JPH0988355A | Rotary crusher | |
| JPH0988354A | Drum crusher | |
| JPH0960042A | Hydraulic shovel car | |
| JPH08150344A | Jaw crusher | |
| JPH01207571A | Concrete press crusher | |
| JPH01165806A | Bucket attached to excavator and vibration compacting machine earth-removing plate |