Oyama, JP ranks #4,946 worldwide for total patents filed all time, with 541 patents from 4 inventors. Leading employers of inventors based in Oyama, JP include Denso, Mitsubishi Electric, Ngk Spark Plug Co..
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Makoto Tanaka | Denso | 258 |
| 2 | Atsushi Ueda | Mitsubishi Electric | 142 |
| 3 | Manabu Sato | Ngk Spark Plug Co. | 136 |
| #4 | Kazunari Sakurai | Central Japan Railway Comany | 5 |