| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 36 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Materials and metallurgy | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hainritsuhi Bueebaa | 5 |
| #2 | Yohanesu Kunatsupushiyutain | 5 |
| #3 | Manfureeto Shiyutorooberu | 4 |
| #4 | Yohanesu Kunatsupushutain | 3 |
| #5 | Furantsu Betsukuman | 3 |
| #6 | Kuruto Teitsupumaa | 3 |
| #7 | Yoozefu Shiyutoraatoman | 3 |
| #8 | Horusuto Doungusu | 3 |
| #9 | Furiidoritsuhi Teiirushiyu | 2 |
| #10 | Horusuto Dounkusu | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPS53145803A | Pusher for discharging incandescent coke from cokingchamber of horizontal coke oven battery | |
| JPS52135302A | Coke discharging device of coke oven battery |