| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 5 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Finland | 2 | |
| #5 | Norway | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miyairi Kazuhiro | 6 |
| #2 | Suzuki Yoshikazu | 4 |
| #3 | Yoneda Takashi | 2 |
| #4 | Hattori Keisuke | 1 |
| #5 | Miyairi Kazuhiro C O Nbs Co Lt | 1 |
| #6 | Yoshikazu Suzuki | 1 |
| #7 | Tashiro Isamu | 1 |
| #8 | Takahashi Kimio | 1 |
| #9 | Miyake Takao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020182691A | Beauty instrument | |
| WO2008149429A1 | Butterfly valve for extreme cold | |
| US6131882A | Butterfly valve | |
| CA2043160A1 | Butterfly valve seat | |
| JPH0434272A | Butterfly valve | |
| JPS57157867A | Butterfly valve | |
| JPS5510104A | Butterfly valve | |
| JPS5496678A | Torque cylinder |