Top Inventors at Ryoden Kasei Co. All Time
Showing 1–22 of 22 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Jun Ohbuchi | 2 |
| 1 | Masato Ohashi | 2 |
| 1 | Takeshi Uenaka | 2 |
| #4 | Hajime Maeda | 1 |
| #4 | Kohei OKA | 1 |
| #4 | Makoto Omori | 1 |
| #4 | Nobuyuki Kamegawa | 1 |
| #4 | Satoru Toyama | 1 |
| #4 | Shunichi Kitayama | 1 |
| #4 | Shiyojiro Kodai | 1 |
| #4 | Shiyoojiro Kodai | 1 |
| #4 | Shigeo Onoda | 1 |
| #4 | Shozo Sakaue | 1 |
| #4 | Shigeyuki Yamamoto | 1 |
| #4 | Tetsuya Takahashi | 1 |
| #4 | Toshifumi Kanri | 1 |
| #4 | Toshikazu Karita | 1 |
| #4 | Toru Tachikawa | 1 |
| #4 | Yoichi Hisamori | 1 |
| #4 | Yoshitaka Ono | 1 |
| #4 | Yoshinori Shirafuji | 1 |
| #4 | Yukio Hidaka | 1 |