Top Inventors at Sp Air Kabushiki Kaisha All Time
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Osamu Izumisawa | 25 |
| 2 | Shigeki Kobayashi | 8 |
| 3 | Kunihiro Yamamoto | 2 |
| #4 | Masahiko Kusama | 1 |
| #4 | Tomokazu Izumisawa | 1 |
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Osamu Izumisawa | 25 |
| 2 | Shigeki Kobayashi | 8 |
| 3 | Kunihiro Yamamoto | 2 |
| #4 | Masahiko Kusama | 1 |
| #4 | Tomokazu Izumisawa | 1 |