Top Inventors at Ikebukuro Horo Kogyo Co. All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshihiro Iizawa | 6 |
| 2 | Masahiro Shirasaki | 3 |
| 3 | Osamu Mori | 2 |
| 3 | Takashi Kawashima | 2 |
| #5 | Jyunji Ono | 1 |
| #5 | Mitsuru Akazawa | 1 |
| #5 | Tadao Shimizu | 1 |
| #5 | Toshiyuki Kasajima | 1 |