| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Singapore | 12 | |
| #2 | Taiwan | 11 | |
| #3 | Hong Kong | 7 | |
| #4 | Canada | 5 | |
| #5 | United Kingdom | 5 | |
| #6 | United States | 5 | |
| #7 | China | 4 | |
| #8 | France | 4 | |
| #9 | Republic of Korea | 4 | |
| #10 | Malaysia | 4 | |
| #11 | Germany | 3 | |
| #12 | Australia | 2 | |
| #13 | Italy | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Control | |
| #5 | Environmental technology | |
| #6 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ochiai Masaru | 42 |
| #2 | Matsuura Nobuyuki | 22 |
| #3 | Tsuchimoto Katsumi | 17 |
| #4 | Nobuyuki Matsuura | 13 |
| #5 | Yamaguchi Hisayuki | 12 |
| #6 | Katou Makoto | 11 |
| #7 | Masaru Ochiai | 10 |
| #8 | Hisayuki Yamaguchi | 6 |
| #9 | Kato Makoto | 4 |
| #10 | Katsumi Tsuchimoto | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA2330002A1 | Water hammering prevention device |