Top Inventors at Adamant Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Tsutomu Okamoto | 5 |
| 2 | Yoshihiro Iijima | 5 |
| 3 | Yuki Ueno | 5 |
| #4 | Masahiro Abumi | 2 |
| #5 | Masaru Sasaki | 2 |
| #6 | Nobuhiko Oda | 2 |
| #7 | Takehiro Hayashi | 2 |
| #8 | Yasuhiro Hyakutake | 2 |
| #9 | Eiji Chihara | 1 |
| #10 | Haruyuki Endo | 1 |
| #11 | Hiroyuki Fujiwara | 1 |
| #12 | Hikaru Muto | 1 |
| #13 | Hidehiro Uchiumi | 1 |
| #14 | Isao Yamauchi | 1 |
| #15 | Kazuaki Ikegai | 1 |
| #16 | Kazuyuki Syoji | 1 |
| #17 | Kaoru Torii | 1 |
| #18 | Kent Ito | 1 |
| #19 | Koji HORIGUCHI | 1 |
| #20 | Kyoto Takemoto | 1 |
| #21 | Minoru Yamaoka | 1 |
| #22 | Nozomu Togashi | 1 |
| #23 | Seiji Nakano | 1 |
| #24 | Shunpei Amano | 1 |
| #25 | Shunsuke Karashima | 1 |
| #26 | Shinichi Takeda | 1 |
| #27 | Tadahisa Iikubo | 1 |
| #28 | Tadahito Ishibashi | 1 |
| #29 | Tetsuya Kobayashi | 1 |
| #30 | Tomohide Aoyagi | 1 |
| #31 | Tomoyuki Kugo | 1 |
| #32 | Yoshitada Beppu | 1 |
| #33 | Yoshihiro Konno | 1 |
| #34 | Yusuke Akiyama | 1 |
| #35 | Yukiharu Shimizu | 1 |