Top Inventors at Sumitomo Heavy Industries 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Mingyao Xu | 7 |
| 2 | Mitsuhiro Tamura | 5 |
| 3 | Masayuki Ishizuka | 4 |
| #4 | Akira Yamamoto | 3 |
| #5 | Koji Moritani | 3 |
| #6 | Masayuki Saika | 3 |
| #7 | Norieda Ueno | 3 |
| #8 | Qian Bao | 3 |
| #9 | Takashi Hirayama | 3 |
| #10 | Ken Oikawa | 2 |
| #11 | Keita Suzuki | 2 |
| #12 | Kiyoto Miyoshi | 2 |
| #13 | Makoto Ikeda | 2 |
| #14 | Shinya Matsubara | 2 |
| #15 | Shuji Miyazaki | 2 |
| #16 | Takatora Ando | 2 |
| #17 | Taishi Hitomi | 2 |
| #18 | Takaaki Morie | 2 |
| #19 | Toshiya Nagumo | 2 |
| #20 | A. T. A. M de Waele | 1 |
| #21 | Akihiro Tsuchiya | 1 |
| #22 | Chunnan Wu | 1 |
| #23 | Daiji Ichishima | 1 |
| #24 | Hirokazu Takayama | 1 |
| #25 | Kakeru Takahashi | 1 |
| #26 | Kenji Shirouzu | 1 |
| #27 | Kenta Yumoto | 1 |
| #28 | Kota Suzuki | 1 |
| #29 | Kyosuke Nakano | 1 |
| #30 | Masahito INDOH | 1 |
| #31 | Masato Koga | 1 |
| #32 | Masaki Ogawa | 1 |
| #33 | Manami Taniguchi | 1 |
| #34 | Mikio Komatsu | 1 |
| #35 | Nagaaki Kamiguchi | 1 |
| #36 | Ryuta Nakajima | 1 |
| #37 | Shipeng Li | 1 |
| #38 | Shinichiro Tsukahara | 1 |
| #39 | Shinji Yoshida | 1 |
| #40 | Takahiro Kuromoto | 1 |
| #41 | Taizo Yamamoto | 1 |
| #42 | Tian Lei | 1 |
| #43 | Tomohiro Oki | 1 |
| #44 | Yoshikatsu Hiratsuka | 1 |
| #45 | Yoshitaka Kobayashi | 1 |
| #46 | Yuta Ebara | 1 |