Top Inventors at Kawai Musical Inst. Mfg. Co. 1997
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yutaka Washiyama | 4 |
| 2 | Katsushi Ishii | 2 |
| 2 | Sayoko Hirano | 2 |
| 2 | Seiji Okamoto | 2 |
| #5 | Gen Izumisawa | 1 |
| #5 | Hiroshi Kitagawa | 1 |
| #5 | Mineo Kitamura | 1 |
| #5 | Takashi Suzuki | 1 |