Top Inventors at Toto 1989
Showing 1–13 of 13 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Akio Matsumoto | 7 |
| 1 | Haruyuki Ito | 7 |
| 3 | Kimiteru Sato | 2 |
| 3 | Noboru Kishima | 2 |
| #5 | Masao Siotani | 1 |
| #5 | Keiji Hayashi | 1 |
| #5 | Masahiro Kayano | 1 |
| #5 | Osamu Tsutsui | 1 |
| #5 | Shingo Tanaka | 1 |
| #5 | Atsuo Makita | 1 |
| #5 | Hideki Kawaguchi | 1 |
| #5 | Hiroshi Kobayashi | 1 |
| #5 | Hisashi Nakamura | 1 |