Ōtsuki, JP ranks #23,524 worldwide for total patents filed all time, with 50 patents from 8 inventors. Leading employers of inventors based in Ōtsuki, JP include Konica, Kao Soap Co., Citizen Electronics Co..
Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroyuki Kozuru | Konica | 20 |
| 2 | Takeo Okumura | Kao Soap Co. | 17 |
| 3 | Arata Shimozawa | Citizen Electronics Co. | 7 |
| #4 | Shougo Kamiya | Konica Minolta | 2 |
| #5 | Chuji Nagasaka | Janome Sewing Machine Industry Co. | 1 |
| #5 | Koga Isao | Chisso | 1 |
| #5 | Eizou Amano | — | 1 |
| #5 | Daigo Hirata | Olympus | 1 |