| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 12 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Murai Atsuro | 6 |
| #2 | Murai Hiroki | 5 |
| #3 | Ienaka Shugo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2014008356A | Drain plug device | |
| JP2007239433A | Water supply or hot water supply system piping material | |
| JP2005230296A | Plug | |
| JP2005054921A | Pipe joint | |
| JP2005052451A | Cover | |
| JP2002089777A | Pipe end closing device | |
| JP2002039490A | Pipe end closing fixture | |
| JP2000046236A | Lever handle oscillation blocking implement of valve | |
| JP2000028064A | Pipe joint | |
| JPH10122212A | Wall-fixed type joint | |
| JPH10110870A | Pipe joint | |
| JPH07280145A | Connecting method for lead pipe and joint, and lead pipe end expanding device used therefor |