Top Inventors at Hisamitsu Pharmaceutical Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Seiji Tokumoto | 5 |
| 2 | Takito Shima | 4 |
| 3 | Naoko Fujita | 3 |
| #4 | Naoki Yamamoto | 3 |
| #5 | Toshiyuki Matsudo | 3 |
| #6 | Kazuya Kominami | 2 |
| #7 | Naoyuki Uchida | 2 |
| #8 | Shigeo Kusumi | 2 |
| #9 | Shinpei NISHIMURA | 2 |
| #10 | Akira Shuto | 1 |
| #11 | Atsushi Sonobe | 1 |
| #12 | Eiji Hashimoto | 1 |
| #13 | Hidekazu Kuma | 1 |
| #14 | Hideaki OHASHI | 1 |
| #15 | Junya Horiuchi | 1 |
| #16 | Kazuki Kuriyama | 1 |
| #17 | Kenji Ishigaki | 1 |
| #18 | Kei Kubota | 1 |
| #19 | Kentaro NAKASHIMA | 1 |
| #20 | Kei Nishioka | 1 |
| #21 | Masayoshi Maki | 1 |
| #22 | Masahiro Sato | 1 |
| #23 | Naruhide MIYOSHI | 1 |
| #24 | Ryusuke Fudoji | 1 |
| #25 | Ryo Tanaka | 1 |
| #26 | Satoshi Amano | 1 |
| #27 | Seiichiro Tsuru | 1 |
| #28 | Shigeo Suzuki | 1 |
| #29 | Shintaro Takeda | 1 |
| #30 | Takao KUROKAWA | 1 |
| #31 | Takuya Tajima | 1 |
| #32 | Takashi Yasukochi | 1 |
| #33 | Takaaki Yoshinaga | 1 |
| #34 | Terumitsu Kaiho | 1 |
| #35 | Tetsuji Kuwahara | 1 |
| #36 | Toru Kobayashi | 1 |
| #37 | Yasunari Michinaka | 1 |
| #38 | Yasunori Takada | 1 |
| #39 | Yusuke Shirotani | 1 |
| #40 | Yusuke Tanaka | 1 |