| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 27 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Materials and metallurgy | |
| #5 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ohno Kazushige | 27 |
| #2 | Kunieda Masafumi | 11 |
| #3 | Ido Takahiko | 8 |
| #4 | Ogyu Kazutake | 5 |
| #5 | Shimato Koji | 3 |
| #6 | Tsuji Masahiro | 3 |
| #7 | Oya Tomokazu | 2 |
| #8 | Okuda Masatoshi | 2 |
| #9 | Yamayose Kazunori | 2 |
| #10 | Koga Yoshihiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2007277431A1 | Additive for engine oil, engine oil, and exhaust gas purifying method |