Top Inventors at Okamoto Chemical Industry Co. All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroaki Okamoto | 4 |
| 1 | Masaro Nakatsuka | 4 |
| 3 | Jun-ichi Ozaki | 3 |
| #4 | Takatoshi Ohta | 2 |
| #5 | Keiko Yonezawa | 1 |
| #5 | Naoya Sato | 1 |
| #5 | Takeo Kohira | 1 |
| #5 | Takeo Sugiura | 1 |
| #5 | Takao Taguchi | 1 |
| #5 | Yasuhiro Uozumi | 1 |