Top Inventors at Sft Laboratory Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Ichigaya | 16 |
| 2 | Yohei Oki | 4 |
| 3 | Hidehito Nakanishi | 2 |
| #4 | Naokatu Furuya | 2 |
| #5 | Chongshi Zhang | 1 |
| #6 | Daiyu Aoki | 1 |
| #7 | Manabu Isei | 1 |
| #8 | Naoki Inoue | 1 |
| #9 | Nagomi Yoshizaki | 1 |
| #10 | Shohji Inomata | 1 |
| #11 | Takeo KURUMIZAWA | 1 |
| #12 | Toru Ichigaya | 1 |
| #13 | Tomoyuki Iwabuchi | 1 |
| #14 | Yasuhiro KAWAKUBO | 1 |
| #15 | Yuji Sumiyoshi | 1 |
| #16 | Akina Kawada | 1 |