Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Shiraishi | Toto | 5 |
| 2 | Yuichi Hirayama | Sony | 4 |
| 3 | Kenji Furukawa | Chisso | 3 |
| #4 | Toshiaki Ikeda | Ricoh Company | 1 |
13 patents · 4 inventors
Ranked #8,300 of 43,611 cities Top 20%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Shiraishi | Toto | 5 |
| 2 | Yuichi Hirayama | Sony | 4 |
| 3 | Kenji Furukawa | Chisso | 3 |
| #4 | Toshiaki Ikeda | Ricoh Company | 1 |