| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 18 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Digital networks | |
| #3 | Computer technology | |
| #4 | Chemical engineering | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Digital information transmission | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Shaping of plastics | |
| #4 | Separation | |
| #5 | Certain plastics | |
| #6 | Electric digital data processing | |
| #7 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoshida Takeo | 20 |
| #2 | Yoshida Takaharu | 2 |
| #3 | Kitagawa Fumio | 1 |
| #4 | Yamada Naoki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2013248616A | Filter | |
| JP2013176722A | Filter | |
| JP2013126613A | Crusher, and in-liquid foreign matter separator having the same | |
| JP2012228653A | Filter | |
| JP2007307475A | Cyclone separator | |
| JP2007296492A | Filter | |
| JP2007209955A | Filter | |
| JP2007168899A | Pull top type can container structure whose spout and edge, such as canned beer and food can or the like, touch each other | |
| JP2006341180A | Cyclone separator | |
| JP2006218350A | Filter | |
| JP2006142261A | Filter unit | |
| JP2004230264A | Filter | |
| JP2004154708A | Filter | |
| JPH041476A | Infinite prime mover | |
| JPS63176725A | Two-wheel-drive switching device for four-wheel-drive vehicle | |
| JPS5367569A | Bath tub | |
| JPS5265958A | Prefabrication type toilet room floor and method of manufacturing thereof |