Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Hashizume | Kabushiki Kaisha Toshiba | 4 |
| 2 | Kuniaki Shinohara | Toto | 2 |
| 3 | Haruo Katsumata | Mitsubishi Chemical | 1 |
| 3 | Anna L. Miller | — | 1 |
| 3 | Tsuneo Kimura | Shin-Etsu Chemical Co. | 1 |
| 3 | Masami Hiasa | Toto | 1 |
| 3 | Nobuyuki Ashie | Toto | 1 |
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