Top Inventors at Takehiro Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masaki Ishikawa | 5 |
| 2 | Hideyuki Mori | 4 |
| 3 | Sohei Matsuyama | 4 |
| #4 | Youhei Ishikawa | 4 |
| #5 | Koji Inoue | 3 |
| #6 | Toru Inoue | 3 |
| #7 | Hiroyuki Honda | 1 |
| #8 | Hideki Kawashiri | 1 |
| #9 | Hisashi Kobayashi | 1 |
| #10 | Hidekimi Takahashi | 1 |
| #11 | Hiromi Takase | 1 |
| #12 | Jorge C. Fialho | 1 |
| #13 | Koji Toida | 1 |
| #14 | Madoka Doi | 1 |
| #15 | Noriyasu Midoriya | 1 |
| #16 | Satoshi Honda | 1 |
| #17 | Seiji Sugiura | 1 |
| #18 | Tokuyoshi Shimizu | 1 |
| #19 | Yuji Mori | 1 |
| #20 | Yuuki Saito | 1 |