Top Inventors at Sansho Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Mitsuhiro Yoshida | 5 |
| 2 | Hiroyuki Fujimori | 3 |
| 3 | Yoshio Ishino | 3 |
| #4 | Atsunobu Mizote | 2 |
| #5 | Hideo Yamaguchi | 2 |
| #6 | Masayoshi Kasai | 2 |
| #7 | Masahiro Kobayashi | 2 |
| #8 | Shigemitsu Ohsawa | 2 |
| #9 | Yoshiyuki Iwamuro | 2 |
| #10 | Yutaka Morita | 2 |
| #11 | Hidenori Asakawa | 1 |
| #12 | Hiroki Okazaki | 1 |
| #13 | Hiroaki Yuasa | 1 |
| #14 | Ikuko Masuda | 1 |
| #15 | Keiji Ohmori | 1 |
| #16 | Kimiko Murofushi | 1 |
| #17 | Masato Azuma | 1 |
| #18 | Masanori Kayano | 1 |
| #19 | Masashi Okude | 1 |
| #20 | Shigemitsu Osawa | 1 |
| #21 | Toyohiko Kobayashi | 1 |
| #22 | Toshiro Morohoshi | 1 |
| #23 | Yoshifumi Yuasa | 1 |
| #24 | Noriko Konita | 1 |
| #25 | Shozo Sida | 1 |
| #26 | Tsutomu Negama | 1 |
| #27 | Akira Sasaki | 1 |