Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshio Ito | Toyota | 87 |
| 2 | Akira Karasawa | Kyowa Hakko Kogyo Co. | 33 |
| 3 | Tsutomu Nakagawa | Mitsubishi Electric | 23 |
| #4 | Hideaki Kusaka | Kyowa Hakko Kogyo Co. | 9 |
| #5 | David Salisbury | Petrocarbon Developments Limited | 5 |
| #6 | Yusuke Fukuta | Siemens Energy & Automation | 4 |
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