| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 6 | |
| #2 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Furniture and games | |
| #4 | Optics | |
| #5 | Measurement | |
| #6 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Games | |
| #3 | Optical systems | |
| #4 | Frames | |
| #5 | Gearing | |
| #6 | Adhesives | |
| #7 | Shaping of plastics | |
| #8 | Certain plastics | |
| #9 | Constructional instrument details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Muramatsu Hiroaki | 11 |
| Publication | Filing date | Title |
|---|---|---|
| JP2001173219A | Hurdle with hygroscopic material | |
| JPH11137050A | Leek harvester | |
| JPH11127620A | Onion transplanter | |
| JPH09322623A | Detecting device for cutting root of onion | |
| JPH0856446A | Mulched onion harvester | |
| JPH0837A | Semiautomatic onion harvester equipped with knotter |