Top Inventors at Rinnai 2020
| Rank | Name | Patents |
|---|---|---|
| 1 | Takashi Ojiro | 7 |
| 2 | Takahiro Ono | 7 |
| 3 | Masaru Takeuchi | 3 |
| #4 | Hideo Okamoto | 1 |
| #5 | Kazuyuki Akagi | 1 |
| #6 | Kotaro Kuzuya | 1 |
| #7 | Takuya MIURA | 1 |
| #8 | Tatsuyoshi Nakatani | 1 |
| #9 | Yasuo Niwa | 1 |
| #10 | Yoshinari Iwata | 1 |
| #11 | Yoshiaki Miyajima | 1 |
| #12 | Yusuke Asai | 1 |