Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tadao Taniguchi | Shinagawa Refractories Co. | 2 |
| 1 | Takushi Ohsaki | Nippon Sanso | 2 |
| 3 | Yukitoshi Kubota | Shinagawa Refractories Co. | 1 |
| 3 | Hiroyasu Uiji | Shinagawa Refractories Co. | 1 |
| 3 | Shigeru Okuda | Sumitomo Electric Industries | 1 |
| 3 | Yasuhiro Makino | Sanyo Electric Co. | 1 |
| 3 | Yukio Kusaka | New Oji Paper Co | 1 |
| 3 | Mototsuga Osada | Shinagawa Refractories Co. | 1 |