| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 10 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Obayashi Masaaki | 9 |
| #2 | Oohayashi Jiyunshi | 1 |
| #3 | Ohbayashi Masaai | 1 |
| #4 | Ohbayashi Masaaki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2003154213A | Filtration equipment | |
| JPH1119417A | Filtering filter | |
| JPH10249115A | Filter vessel | |
| JPH10137519A | Filter casing | |
| JPH1072091A | Structure for opening and closing tank cover | |
| JPH0938422A | Vessel with cover | |
| JPH0724221A | Filter | |
| JPH06327914A | Filter device | |
| JPH06327911A | Filter device | |
| JPH03107A | Vessel of filter |