| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Optics | |
| #3 | Electrical machinery and energy | |
| #4 | Civil engineering | |
| #5 | Chemical engineering | |
| #6 | Environmental technology | |
| #7 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Nonlinear optics | |
| #3 | Electrically-conductive connections | |
| #4 | Analysing materials | |
| #5 | Water treatment | |
| #6 | Unspecified technologies | |
| #7 | Locks | |
| #8 | Water-closets with flushing devices | |
| #9 | Testing of structures | |
| #10 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hasegawa Yoshiei | 6 |
| #2 | Saito Takeshi | 5 |
| #3 | Osato Eichi | 4 |
| #4 | Fujiwara Shinji | 3 |
| #5 | Goto Yoshihito | 3 |
| #6 | Miura Kiyotoshi | 3 |
| #7 | Oishi Kamito | 3 |
| #8 | Fukushi Toshio | 2 |
| #9 | Miyagi Yuji | 2 |
| #10 | Kiyofuji Hidehiro | 2 |