| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 3 | |
| #2 | Brazil | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Belgium | 1 | |
| #5 | Canada | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | United States | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamazaki Noboru | 6 |
| #2 | Amano Motoo | 3 |
| #3 | Inubushi Hisao | 3 |
| #4 | Matsuura Masashi | 3 |
| #5 | Yoshihara Tetsuya | 2 |
| #6 | Noboru Yamazaki | 1 |
| #7 | Hayakawa Yuji | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BE1006674A5 | Rotary nozzle. | |
| JPH0615440A | Brick body for rotary nozzle and rotary nozzle | |
| JPH0366470A | Rotary nozzle | |
| JPH0252165A | Rotary nozzle | |
| KR840002040B1 | Rotary sliding gate valve assembly |