Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toyoki Wano | Okura Industrial Co. | 6 |
| 2 | Kunihiko Tsuchida | Ishigaki Company Limited | 2 |
| 2 | Keizo Sekiya | Disco | 2 |
| 2 | Shigeru Oita | Director General Of National Institute Of Agrobiological Resources, Ministry Of Agriculture, Forestry And Fisheries | 2 |
| 2 | Minehiro Kamiyama | Toyo Tanso Co. | 2 |
| #6 | Hideki Kanezako | Kuraray Co. | 1 |
| #6 | Tanekazu Kishida | — | 1 |
| #6 | Masahiko Takamatsu | Kuraray Co. | 1 |
| #6 | Takayoshi Tanikawa | Seibu Polymer Kasei Kabushiki Kaisha | 1 |
| #6 | Kazutoshi Hirata | Kuraray Co. | 1 |
| #6 | Syuji Hara | Japan Hydrazine Co. | 1 |
| #6 | Tateki Fukayama | — | 1 |