Top Inventors at Miyoshi Kasei All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yukio Hasegawa | 11 |
| 2 | Masaakira Horino | 9 |
| 3 | Isao Imai | 7 |
| #4 | Ryota Miyoshi | 7 |
| #5 | Miwa Nishizawa | 2 |
| #6 | Ryo Ohara | 2 |
| #7 | Taizo Miyoshi | 2 |
| #8 | Tadashi Sugaya | 2 |
| #9 | Hideki Takahashi | 1 |
| #10 | Katsuki Ogawa | 1 |
| #11 | Masaru Kobayashi | 1 |
| #12 | Mark George LePage | 1 |
| #13 | Miwa Ohara | 1 |
| #14 | Sadaki Takata | 1 |
| #15 | Shigeru Kishida | 1 |
| #16 | Shinya Kuwazuru | 1 |
| #17 | Tetsuo Murata | 1 |
| #18 | Toru Sakurada | 1 |
| #19 | William Kalriess | 1 |
| #20 | Yasushi Takeuchi | 1 |