Top Inventors at Elephant Chain Block Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasuo Wada | 13 |
| 2 | Yoshio Ueno | 13 |
| 3 | Masaru Fujikawa | 12 |
| #4 | Munenobu Honda | 10 |
| #5 | Haruo Kubota | 9 |
| #6 | Koji Saai | 8 |
| #7 | Yoshio Nishi | 8 |
| #8 | Eikiti Kobayasi | 4 |
| #9 | Takasi Uesugi | 4 |
| #10 | Yosiaki Okamoto | 4 |
| #11 | Eikichi Kobayashi | 2 |
| #12 | Hidenori Fujiwara | 2 |
| #13 | Tadasu Matusima | 2 |
| #14 | Yoshitaka Inoue | 2 |
| #15 | Yoshiaki Okamoto | 2 |
| #16 | Yosio Ueno | 2 |
| #17 | Kazunori Tsuda | 1 |
| #18 | Kinji Tsuda | 1 |
| #19 | Toshimasa Mizutani | 1 |
| #20 | Toshio Ueno | 1 |
| #21 | Yosio Nisi | 1 |