| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 14 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Foods and drinks | |
| #4 | Basic materials chemistry | |
| #5 | Materials and metallurgy | |
| #6 | Packaging and shipping | |
| #7 | Thermal processes | |
| #8 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Climate change mitigation in goods production | |
| #3 | Climate change adaptation technologies | |
| #4 | Cranes | |
| #5 | Nitrogenous fertilisers | |
| #6 | Dredging | |
| #7 | Sucrose production | |
| #8 | Chemical or physical processes | |
| #9 | Ammonia or cyanogen | |
| #10 | Refrigerators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Horusuto Behitohoruto | 5 |
| #2 | Ururitsuhi Moon | 3 |
| #3 | Pauru Furantsuen | 3 |
| #4 | Furiidoritsuhi Yotsuhomu | 1 |
| #5 | Furiidoritsuhi Yotsuhoumu | 1 |
| #6 | Yoahimu Niisutoroi | 1 |
| #7 | Hainritsuhi Purentsureru | 1 |
| #8 | Aantoon Betsukeru | 1 |
| #9 | Ururufu Ururitsuhi Kooreru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS5590420A | Oxidation of ammonium sulfite |