| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 36 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tsukada Masaru | 14 |
| #2 | Tsukada Toshio | 6 |
| #3 | Horikawa Fujio | 5 |
| #4 | Kawahara Takayoshi | 3 |
| #5 | Kubata Osamu | 3 |
| #6 | Kubata Toshio | 2 |
| #7 | Mano Naoto | 2 |
| #8 | Sugie Shiyougo | 2 |
| #9 | Mochizuki Miyako | 1 |
| #10 | Yamada Haruyo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2019019554A | Drain trap | |
| JP2019019553A | Drain trap | |
| JP2017095930A | Drain trap | |
| JP2016130427A | Packing for gap closing | |
| JP2016089535A | Drain trap | |
| JP2014077277A | Deodorization device for laundry drain inflow port | |
| JP2013217095A | Washing machine pan | |
| JP2012040163A | Moisturizing mask | |
| JP2011045562A | Low frequency pulse applying device and method of using the same | |
| JP2010043497A | Drainage unit | |
| JP2009133156A | Adapter for connecting drain pipe and device | |
| JP2008261183A | Drain trap | |
| JP2008115577A | Wastewater discharge unit of washing machine | |
| JP2007205135A | Drainage structure for washing machine | |
| JP2007023688A | Drain trap | |
| JP2005097978A | Box for protecting lawn faucet or the like | |
| JP2004144161A | Flexible joint | |
| JP2002146854A | Lawn faucet box | |
| JP2002004377A | Underfloor drainage trap | |
| JP2001324074A | Through joint |