Top Inventors at Koichi Shudo All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Koichi Shudo | 6 |
| 2 | Yasuo Sato | 4 |
| 3 | Fukio Konno | 3 |
| #4 | Hideyuki Tanaka | 3 |
| #5 | Katsuyoshi Iwamatsu | 3 |
| #6 | Kazuyuki Kitamura | 3 |
| #7 | Mizuho Inazu | 3 |
| #8 | Tatsuo Sugioka | 3 |
| #9 | Tsutomu Inoue | 3 |
| #10 | Kazuko Kobayashi | 2 |
| #11 | Masaaki Izumi | 2 |
| #12 | Megumi Yamada | 2 |
| #13 | Hiroshi Murakami | 1 |
| #14 | Kazuko Amano | 1 |
| #15 | Satoshi Yoshida | 1 |
| #16 | Seiji Shibahara | 1 |
| #17 | Shigeharu Inoye | 1 |
| #18 | Sojiro Shiokawa | 1 |
| #19 | Tomoko Ito | 1 |
| #20 | Tetsutaro Niisato | 1 |