Top Inventors at Lignyte Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Isamu Ide | 8 |
| 2 | Tadashi Uragami | 4 |
| 3 | Hisato Higuchi | 2 |
| #4 | Masanobu Nishikawa | 2 |
| #5 | Sadao Maeda | 2 |
| #6 | Shigehisa Ishihara | 2 |
| #7 | Toru Seki | 2 |
| #8 | Yoshiaki Tanaka | 2 |
| #9 | Fumihito Takeda | 1 |
| #10 | Fumio Ueno | 1 |
| #11 | Hideo Getto | 1 |
| #12 | Hiroyasu Ogawa | 1 |
| #13 | Junko Watanabe | 1 |
| #14 | Katsunori Sugita | 1 |
| #15 | Keizo Nishiyama | 1 |
| #16 | Masaru Ozaki | 1 |
| #17 | Satoshi Saito | 1 |
| #18 | Shuichi Kawai | 1 |
| #19 | Shinji Nishida | 1 |
| #20 | Shinsuke Takeda | 1 |
| #21 | Tatsuya Nakamura | 1 |
| #22 | Tsunemori Yoshida | 1 |
| #23 | Yoshihiro Endoh | 1 |
| #24 | Aiichiro Tsukahara | 1 |