Top Inventors at Sumitomo Dow Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ichiro Sato | 4 |
| 2 | Wataru Fujiwara | 4 |
| 3 | Junkoh Hyoda | 3 |
| #4 | Kenichi Yamazaki | 3 |
| #5 | Naoyoshi Kawamoto | 3 |
| #6 | Noriko Kitamura | 3 |
| #7 | Kiyoshi Ogura | 2 |
| #8 | Masatoshi Iji | 2 |
| #9 | Satoshi Umeyama | 2 |
| #10 | Shin Serizawa | 2 |
| #11 | Tadashi Shinomiya | 2 |
| #12 | Yukio Tomari | 2 |
| #13 | Hiroyuki Minematsu | 1 |
| #14 | Junko Hyoda | 1 |
| #15 | Katsuji Abe | 1 |
| #16 | Kenzo Chikanari | 1 |
| #17 | Masahiro Shinohata | 1 |
| #18 | Mikio Hirai | 1 |
| #19 | Mikio Kodama | 1 |
| #20 | Motoichi Yano | 1 |
| #21 | Noboru Yamaguchi | 1 |
| #22 | Saburo Mishiba | 1 |
| #23 | Shigeharu Suzuki | 1 |
| #24 | Takayoshi Fujiwara | 1 |
| #25 | Takeyoshi Nishio | 1 |
| #26 | Tadayuki Ohmae | 1 |
| #27 | Tetuya Yamamoto | 1 |
| #28 | Yasutoshi Jagawa | 1 |
| #29 | Yasushi Toyoda | 1 |
| #30 | Yoshikazu Hirose | 1 |
| #31 | Yoshiaki Nishikubo | 1 |