| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Pharmaceuticals | |
| #3 | Organic fine chemistry | |
| #4 | Basic materials chemistry | |
| #5 | Surface technology and coating | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Specific use of cosmetics | |
| #2 | Producing goods from plastic | |
| #3 | Edible oils | |
| #4 | Therapeutic chemical compounds | |
| #5 | Medical preparations | |
| #6 | Special foods | |
| #7 | Layered products | |
| #8 | Foods | |
| #9 | Refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Niwa Kozo | 13 |
| #2 | Niwa Emiyo | 13 |
| #3 | Emiyo Niwa | 2 |
| #4 | Kozo Niwa | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPH069421A | Oily preparation and its production |