Top Inventors at Kureha 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Sakabe | 4 |
| 2 | Kenji Suzuki | 4 |
| 3 | Michihisa Miyahara | 4 |
| #4 | Toshihiko Ono | 3 |
| #5 | Yoshinori Suzuki | 3 |
| #6 | Akinori Matsushika | 2 |
| #7 | Emi Sugawara | 2 |
| #8 | Fuminori Kobayashi | 2 |
| #9 | Haruyasu Yamaji | 2 |
| #10 | Hironaga Akita | 2 |
| #11 | Hikaru Saijo | 2 |
| #12 | Hisaaki Terashima | 2 |
| #13 | Hiraku TOHMIYA | 2 |
| #14 | Kazuyuki Kanno | 2 |
| #15 | Keiko Aita | 2 |
| #16 | Masahiro Watanabe | 2 |
| #17 | Nobufumi Sato | 2 |
| #18 | Shintarou Kamata | 2 |
| #19 | Takenori TOSE | 2 |
| #20 | Tomotake Morita | 2 |
| #21 | Yuusuke Nakamichi | 2 |
| #22 | Yuki Sakai | 2 |
| #23 | Yusuke Sato | 2 |
| #24 | Atsushi Ito | 1 |
| #25 | Daisuke MURANO | 1 |
| #26 | Eri Tamaki | 1 |
| #27 | Ichiro Kitada | 1 |
| #28 | Kaori KIKUCHI | 1 |
| #29 | Kazuyuki Yamane | 1 |
| #30 | Kensuke Suzuki | 1 |
| #31 | Makoto IMAJI | 1 |
| #32 | Nanako Saigusa | 1 |
| #33 | Ryo Harigae | 1 |
| #34 | Ryota Naito | 1 |
| #35 | Seishiro Kobayashi | 1 |
| #36 | Shota Nambu | 1 |
| #37 | Tamito Igarashi | 1 |
| #38 | Takuma Kobayashi | 1 |
| #39 | Taiji Miyake | 1 |
| #40 | Teruaki YOSHII | 1 |
| #41 | Toru Yamazaki | 1 |
| #42 | Yingge XIAO | 1 |
| #43 | Yoshiharu Itoh | 1 |
| #44 | Yoshiyuki NAGASAWA | 1 |
| #45 | Yoshikatsu Satake | 1 |
| #46 | Yuichi Ishioka | 1 |
| #47 | Yuta YAMADOI | 1 |