Top Inventors at Kddi 2019
| Rank | Name | Patents |
|---|---|---|
| 1 | Katsuo YUNOKI | 2 |
| 2 | Kei KAWAMURA | 2 |
| 3 | Sei Naito | 2 |
| #4 | Toshiaki Yamamoto | 2 |
| #5 | Akira Maruyama | 1 |
| #6 | Atsushi Tagami | 1 |
| #7 | Bingxuan ZHAO | 1 |
| #8 | Cui Wang | 1 |
| #9 | Hailan PENG | 1 |
| #10 | Hiroki Hagiwara | 1 |
| #11 | Junichi Tabuchi | 1 |
| #12 | Kazuhiro Gosui | 1 |
| #13 | Katsuyoshi Hoshino | 1 |
| #14 | Kazuaki Ueda | 1 |
| #15 | Kenji Yokota | 1 |
| #16 | Masaya SHIBAYAMA | 1 |
| #17 | Mitsumasa Iwanaga | 1 |
| #18 | Satoshi Konishi | 1 |
| #19 | Sakiko Kurita | 1 |
| #20 | Takeo OHSEKI | 1 |
| #21 | Toshiyuki Okamoto | 1 |
| #22 | Xiaoqiu Wang | 1 |
| #23 | Yoko Kurosawa | 1 |