Top Inventors at Polymer Processing Research Inst. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Yazawa | 13 |
| 2 | Kazuhiko Kurihara | 13 |
| 3 | Shuichi Murakami | 5 |
| #4 | Yoichi Mazawa | 5 |
| #5 | Jun Yamada | 4 |
| #6 | Kintaro Aihara | 4 |
| #7 | Toshikazu Ohishi | 4 |
| #8 | Yuki Kuroiwa | 4 |
| #9 | Sadayuki Ishiyama | 3 |
| #10 | Toshikazu Oishi | 3 |
| #11 | Tadashi Honda | 2 |
| #12 | Yukio Matsumura | 2 |
| #13 | Hirotsune Okada | 1 |
| #14 | Hideyo Rohyama | 1 |
| #15 | Katsuaki Wakahara | 1 |
| #16 | Kazuhiro Yabe | 1 |
| #17 | Masato Kimura | 1 |
| #18 | Masashi Kobayashi | 1 |
| #19 | Shigezou Kojima | 1 |
| #20 | Shin'ichi Umejima | 1 |
| #21 | Shinji Yamazaki | 1 |
| #22 | Tsutomu Matsuzaki | 1 |
| #23 | Akihide Kurata | 1 |