| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 77 | |
| #2 | Sweden | 7 | |
| #3 | United States | 6 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arahori Haruo | 19 |
| #2 | Shimizu Kazuya | 15 |
| #3 | Okubo Masaaki | 14 |
| #4 | Koeda Susumu | 13 |
| #5 | Minamiyama Toshimasa | 8 |
| #6 | Nishida Katsuyuki | 8 |
| #7 | Fujita Hiroyoshi | 7 |
| #8 | Nagato Tokuji | 7 |
| #9 | Tomioka Isao | 5 |
| #10 | Fukada Akira | 5 |
| Publication | Filing date | Title |
|---|---|---|
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