Top Inventors at Katayama Chemical Works Co., Ktd. 1989
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Sakae Katayama | 2 |
| 2 | Yoshinari Kawasaki | 1 |
| 2 | Keisyo Nakanishi | 1 |
| 2 | Masatsune Okuma | 1 |
| 2 | Tadahiko Asano | 1 |
| 2 | Toshihiko Mukai | 1 |
| 2 | Hirohiko Katayama | 1 |
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Sakae Katayama | 2 |
| 2 | Yoshinari Kawasaki | 1 |
| 2 | Keisyo Nakanishi | 1 |
| 2 | Masatsune Okuma | 1 |
| 2 | Tadahiko Asano | 1 |
| 2 | Toshihiko Mukai | 1 |
| 2 | Hirohiko Katayama | 1 |