Top Inventors at Chiba Prefecture All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Nakagawara | 9 |
| 2 | Hiroki Nagase | 3 |
| 3 | Hiroshi Sugiyama | 3 |
| #4 | Toshikazu Bando | 3 |
| #5 | Atsushi Takatori | 2 |
| #6 | Miki Ohira | 2 |
| #7 | Toshinori Ozaki | 2 |
| #8 | Fukumi Nishimaki | 1 |
| #9 | Hiroyuki Kubo | 1 |
| #10 | Kazuyoshi Suzuki | 1 |
| #11 | Keizaburo Miki | 1 |
| #12 | Masanobu Sugimoto | 1 |
| #13 | Michio Morita | 1 |
| #14 | Saichi Yamada | 1 |
| #15 | Shin Ishii | 1 |
| #16 | Takeshi Goto | 1 |
| #17 | Takahiro Hirata | 1 |
| #18 | Tadashi Maruyama | 1 |
| #19 | Yasutoshi Tatsumi | 1 |
| #20 | Yasuko Yoshida | 1 |