| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 3 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Soldering, welding and flame cutting | |
| #4 | Alloys | |
| #5 | Working metallic powder | |
| #6 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yokomi Masahiro | 5 |
| #2 | Kuribayashi Nobuhiro | 4 |
| #3 | Matsumaru Koji | 2 |
| #4 | Ishizaki Kozo | 2 |
| #5 | Masahiro Yokomi | 1 |
| #6 | Nobuhiro Kuribayashi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2011180331A1 | Rock bit | |
| CN101920337A | High-toughness wear-resistant composite material and a method of manufacturing the same | |
| US2008107896A1 | Composite wear-resistant member and method for manufacture thereof | |
| WO0240905A1 | Method of manufacturing ball valve |