| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 7 | |
| #2 | China | 2 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Philippines | 1 | |
| #5 | Singapore | 1 | |
| #6 | United States | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Foundry moulding | |
| #3 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yokomi Masahiro | 7 |
| #2 | Shinbo Susumu | 6 |
| #3 | Nakanishi Sadayuki | 4 |
| #4 | Yamaguchi Hideya | 1 |
| #5 | Shinpo Susumu | 1 |
| #6 | Yamada Akihiko | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2018062946A | Structure of gate valve and manufacturing method thereof | |
| JP2016041973A | Quantitative pressure accumulating device for supplying oil pressure to operation machine | |
| JP2013127291A | Scotch yoke type operation device | |
| JP2013057378A | Backseat assembly for expanding gate valve | |
| JP2012159113A | Valve operating device | |
| JP2012082875A | Fluid pressure type driving device | |
| JP2012062932A | Operation device |