Top Inventors at Yasuhiro Koike All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Shingo Ohkawa | 6 |
| 2 | Hiromi Sasako | 5 |
| 3 | Tsuyoshi Ishikawa | 5 |
| #4 | Yasuhiro Koike | 5 |
| #5 | Hiroshi Yamazaki | 3 |
| #6 | Kayoko Watai | 3 |
| #7 | Masaki Naritomi | 2 |
| #8 | Nobuhisa Noguchi | 2 |
| #9 | Eizaburo Higuchi | 1 |
| #10 | Hirofumi Io | 1 |
| #11 | Hidenobu Murofushi | 1 |
| #12 | Hiroyuki Muto | 1 |
| #13 | Hitoshi Suzuki | 1 |
| #14 | Junichi Ohkuma | 1 |
| #15 | Kayoko Masaki | 1 |
| #16 | Keisuke Kawashima | 1 |
| #17 | Naohiko Moriya | 1 |
| #18 | Norihide Sugiyama | 1 |
| #19 | Takayuki Arai | 1 |
| #20 | Takashi Oda | 1 |
| #21 | Tadahiro Sunaga | 1 |
| #22 | Takayoshi Yamauchi | 1 |
| #23 | Toshitaka Torikai | 1 |
| #24 | Akihiro Horibe | 1 |
| #25 | Akihito Mitsui | 1 |