Top Inventors at Takenaka Doboku Co. All Time
Showing 1–22 of 22 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Koichi Ito | 3 |
| 1 | Masaharu Sakuta | 3 |
| 1 | Tadahiro Kaya | 3 |
| 1 | Tsunetoshi Shioya | 3 |
| 1 | Yasuhiko Yoshioka | 3 |
| 1 | Yoshifumi Shimoyama | 3 |
| #7 | Hirosuke Kubota | 2 |
| #7 | Hiroyuki Yamakawa | 2 |
| #7 | Iwao Uchizaki | 2 |
| #7 | Mituo Miura | 2 |
| #7 | Soichi Kiya | 2 |
| #7 | Takumi Fujii | 2 |
| #7 | Yoshinori Kukino | 2 |
| #14 | Ichiro Katayama | 1 |
| #14 | Kazunori Sugiyama | 1 |
| #14 | Mamoru Ogishima | 1 |
| #14 | Mitsuo Mochizuki | 1 |
| #14 | Takashi Inoue | 1 |
| #14 | Tokuzo Kitawaki | 1 |
| #14 | Toshimichi Mihara | 1 |
| #14 | Toshio Saito | 1 |
| #14 | Kuniyoshi Sakane | 1 |