Top Inventors at Unicharm 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Takayoshi Konishi | 9 |
| 2 | Toshio Hiraoka | 7 |
| 3 | Noritomo Kameda | 5 |
| #4 | Daisuke Komatsubara | 4 |
| #5 | Satoru Sakaguchi | 4 |
| #6 | Hideaki Maki | 3 |
| #7 | Koichi Yamaki | 3 |
| #8 | Shunsuke Takino | 3 |
| #9 | Takuya Inoue | 3 |
| #10 | Takuya Miyama | 3 |
| #11 | Hideaki Ichiura | 2 |
| #12 | Hirotomo Mukai | 2 |
| #13 | Hiroko NAKAOKA | 2 |
| #14 | Masashi Uda | 2 |
| #15 | Masashi Yamaguchi | 2 |
| #16 | Noritomo Kurita | 2 |
| #17 | Takashi Kato | 2 |
| #18 | Toshifumi Ohtsubo | 2 |
| #19 | Akie Kinoshita | 1 |
| #20 | Chiyo Takagi | 1 |
| #21 | Hayato Nishitani | 1 |
| #22 | Hiroki Goda | 1 |
| #23 | Jirapa CHANGCHAROEN | 1 |
| #24 | Jun Okuda | 1 |
| #25 | Kayoko Kashiwagi | 1 |
| #26 | Kuniyoshi Kawabata | 1 |
| #27 | Kyota Saito | 1 |
| #28 | Masaki Shiota | 1 |
| #29 | Maika Takahashi | 1 |
| #30 | Munehiro Usui | 1 |
| #31 | Naotaka Mimura | 1 |
| #32 | Ryota Kawamori | 1 |
| #33 | Satoshi Hasegawa | 1 |
| #34 | Sarinee PICHADKITJAWAT | 1 |
| #35 | Shinichi Ishikawa | 1 |
| #36 | Shinya Kaneko | 1 |
| #37 | Takeshi Hanajiri | 1 |
| #38 | Takashi Maruyama | 1 |
| #39 | Takashi Matsui | 1 |
| #40 | Takahito Nagai | 1 |
| #41 | Thi Yen Minh Nguyen | 1 |
| #42 | Waka Sawada | 1 |
| #43 | Yasushi Kihara | 1 |
| #44 | Yasuhiro Yamanaka | 1 |
| #45 | Yoshihide Ishikawa | 1 |