| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 14 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Measurement | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Debuitsudo Furanku Eerusu | 2 |
| #2 | Aran Uiriamusu | 2 |
| #3 | Rejinarudo Jiyooji Shinkurea B | 2 |
| #4 | Korin Datsufuiru | 2 |
| #5 | Piitaa Supensu Kuroo | 1 |
| #6 | Rejinarudo Buraian Buuru | 1 |
| #7 | Uiriamu Paran | 1 |
| #8 | Iian Kiisu Burooton | 1 |
| #9 | Aren Uiriamusu | 1 |
| #10 | Kosuta Komodoromosu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS54153319A | Improvement in pipeline inspection vehicle | |
| JPS54137723A | Pipeeline inspection car | |
| JPS5476603A | Gasifying apparatus for coal | |
| JPS5458703A | Improvement in or relative to coal gasification plant | |
| JPS5388363A | Forced convection type oven | |
| JPS5211347A | Greased thrust bearing |