Top Inventors at Sumitomo Bayer Urethane Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshiaki Imokawa | 3 |
| 2 | Kei Odani | 2 |
| 3 | Masaru Honda | 2 |
| #4 | Yasuo Inazawa | 2 |
| #5 | Eckehard Weigand | 1 |
| #6 | Hiroshi Ikuta | 1 |
| #7 | Hisao MITOBE | 1 |
| #8 | Hideaki Nagayasu | 1 |
| #9 | Kanemitsu Kondo | 1 |
| #10 | Katsumi Nagayasu | 1 |
| #11 | Martin Brock | 1 |
| #12 | Masato Shimizu | 1 |
| #13 | Mitsuaki Ikebe | 1 |
| #14 | Shinichi Murakami | 1 |
| #15 | Takanori Chiba | 1 |
| #16 | Takaaki Masuda | 1 |
| #17 | Teruo Hama | 1 |
| #18 | Toshiaki Nakano | 1 |
| #19 | Yoshito Harada | 1 |
| #20 | Yoshinori Kihara | 1 |
| #21 | Yuji Hoshino | 1 |