Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazunori Ogata | IBM | 3 |
| 2 | Hayato Yasuhara | Denso | 2 |
| 2 | Toshihiro Kai | Nissan Motor Co. | 2 |
| 2 | Shunsuke Yokota | Denso | 2 |
| 2 | Ryohei Aoyama | Kao | 2 |
| 2 | Takuo Ohwada | Kanto Kagaku | 2 |
| #7 | Ryuichi Yoshikawa | Riken Vitamin Co. | 1 |
| #7 | Kazuaki Kidoguchi | Ricoh Company | 1 |
| #7 | Hiromichi Takahashi | Kao | 1 |
| #7 | Ryota Iwai | Kanto Kagaku | 1 |
| #7 | Akira Yoneda | Panasonic | 1 |
| #7 | Masayuki Kawasaki | Pentel Kabushiki Kaisha | 1 |
| #7 | Masahito TANIGAWA | C.Uyemura & Co. | 1 |
| #7 | Masayuki HATORI | Nikon | 1 |
| #7 | Kikue Morita | Kanto Kagaku | 1 |