Top Inventors at Ryobi 1989
Showing 1–45 of 45 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kiyoshi Hoshino | 7 |
| 1 | Etsuo Hiraishi | 7 |
| 3 | Tetsuyuki Doi | 5 |
| #4 | Teruhisa Numata | 4 |
| #4 | Toshiaki Saito | 4 |
| #6 | Kazuyuki Takahashi | 2 |
| #6 | Kenso Maehara | 2 |
| #6 | Kikuo Tsunoda | 2 |
| #6 | Koji Ishii | 2 |
| #6 | Masaharu Emura | 2 |
| #6 | Masakazu Sakamoto | 2 |
| #6 | Miyoshi Shiramasa | 2 |
| #6 | Takehiro Kobayashi | 2 |
| #6 | Akinori Sakumoto | 2 |
| #6 | Hideo Murakami | 2 |
| #16 | Yasuhiro Oe | 1 |
| #16 | Yoshiaki Egoshi | 1 |
| #16 | Yoji Nakayama | 1 |
| #16 | Yukito Okuda | 1 |
| #16 | Hideki Sugeta | 1 |
| #16 | Kenji Maruyama | 1 |
| #16 | Kikuo Tunoda | 1 |
| #16 | Kounoshin Makino | 1 |
| #16 | Kouichi Miyamoto | 1 |
| #16 | Masaharu Narisue | 1 |
| #16 | Masaharu Nouma | 1 |
| #16 | Naomi Nishi | 1 |
| #16 | Noriyoshi Yamauchi | 1 |
| #16 | Shumi Akazawa | 1 |
| #16 | Shigetake Kami | 1 |
| #16 | Shinichi Nakai | 1 |
| #16 | Shunsaku Nakauchi | 1 |
| #16 | Takashi Yamaguchi | 1 |
| #16 | Toshimitu Hashii | 1 |
| #16 | Toshiaki Yorikane | 1 |
| #16 | Teruhisa Numasta | 1 |
| #16 | Akira Yasui | 1 |
| #16 | Atsuhito Aoki | 1 |
| #16 | Etushi Yamamoto | 1 |
| #16 | Haruo Uetsuki | 1 |
| #16 | Hitoshi Ishida | 1 |
| #16 | Hideto Sasaki | 1 |
| #16 | Kazuaki Kawai | 1 |
| #16 | Kazuaki Ogawa | 1 |
| #16 | Katsuhiko Okano | 1 |