Sanjo, JP ranks #21,162 worldwide for total patents filed all time, with 60 patents from 30 inventors. Leading employers of inventors based in Sanjo, JP include Idemitsu Petrochemical Co., Uchida Manufacturing Co., Sanjo Machine Works.
Showing 1–30 of 30 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Takeshi Majima | — | 7 |
| 2 | Tsuneo Matsui | Idemitsu Petrochemical Co. | 4 |
| 3 | Taro Nanba | — | 3 |
| 3 | Susumu Kazama | Uchida Manufacturing Co. | 3 |
| 3 | Saburo Nishi | — | 3 |
| #6 | Nobuo Tsuchida | Uchida Manufacturing Co. | 2 |
| #6 | Kazushi Goi | Sanjo Machine Works | 2 |
| #6 | Takahiro Sekine | Sanjo Machine Works | 2 |
| #6 | Sadaichi Kobayashi | — | 2 |
| #6 | Kouei Hasegawa | — | 2 |
| #6 | Sadatsugu Shimizu | — | 2 |
| #6 | Hiroichi Koide | — | 2 |
| #6 | Seiichi Toyama | Green Life | 2 |
| #6 | Teizo Kobayashi | — | 2 |
| #6 | Yasusuke Murayama | Top Kogyo Co. | 2 |
| #6 | Mituharu Kobayashi | — | 2 |
| #6 | Tetsuei Uchida | Uchida Manufacturing Co. | 2 |
| #6 | Kazuhiko Tamaki | Nagata Seiki Co. | 2 |
| #6 | Naoichi Nishi | — | 2 |
| #6 | Hisao Yoshii | Dainichi Kogyo Kabushiki Kaisha | 2 |
| #21 | Hasegawa Tozaburo | — | 1 |
| #21 | Tsuyoshi Yoshihara | Nippon Kinzoku Co. | 1 |
| #21 | Hasegawa Makoto | — | 1 |
| #21 | Ryojiro Asano | Unknown | 1 |
| #21 | Seiichi Nishikata | Nexus Company | 1 |
| #21 | Masami Nashimoto | — | 1 |
| #21 | Mitsuyuki Kaneko | — | 1 |
| #21 | Naohiko Soma | — | 1 |
| #21 | Michihiro HOSOJIMA | Ea Pharma Co. | 1 |
| #21 | Akio Hirasawa | Uchida Manufacturing Co. | 1 |