| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Germany | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Fuels | |
| #3 | Drying solid materials by removing liquid | |
| #4 | Speech analysis |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kato Kenji | 6 |
| #2 | Matsuura Makoto | 6 |
| #3 | Sasaki Masaki | 6 |
| #4 | Nakai Hiroki | 3 |
| #5 | Sakawa Mitsuhiro | 3 |
| #6 | Komaki Ikuo | 3 |
| #7 | Arima Takashi | 3 |
| #8 | Kubota Yukihiro | 3 |
| #9 | Uchida Makoto | 2 |
| #10 | Yoshida Shuhei | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP1033396A2 | Coke oven and method of operating the same | |
| US6033528A | Process for making blast furnace coke | |
| US5720116A | Apparatus for drying and heating coal to be charged to coke oven | |
| US5735917A | Method of promoting carbonization in the door region of a coke oven and oven door therefor |