Top Inventors at Nippon Rubber Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Noboru Ueda | 5 |
| 2 | Kiyotaka Nakano | 4 |
| 3 | Masasuke Harada | 4 |
| #4 | Shoshilo Fuzita | 4 |
| #5 | Yoshiharu Moronaga | 4 |
| #6 | Rinichi Yoshitake | 3 |
| #7 | Junji Izumi | 2 |
| #8 | Toshio Iwakata | 2 |
| #9 | Hitoshi Hamada | 1 |
| #10 | Hideki Hayafuchi | 1 |
| #11 | Hiroshi Kumagawa | 1 |
| #12 | Katumitu Saruwatari | 1 |
| #13 | Kouji Tsukamoto | 1 |
| #14 | Shosiro Fuzita | 1 |
| #15 | Tomohiro Etou | 1 |
| #16 | Tokujiro Ishibashi | 1 |
| #17 | Yoshinori Nagano | 1 |
| #18 | Yutaka Kumagawa | 1 |
| #19 | Junichiro Shiki | 1 |