Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ken Yoshioka | Hitachi | 3 |
| 2 | Toshiyuki Suehiro | Nippon Steel | 2 |
| 2 | Kazuaki Sueoka | Kawasaki | 2 |
| 2 | Toshihiro Kosuge | Nippon Steel | 2 |
| #5 | Seizou Meguro | Nippon Steel | 1 |
| #5 | Yoshifumi Ogawa | Hitachi | 1 |
| #5 | Katsuyuki Hiyama | Sankyu | 1 |
| #5 | Tsunehiro Shimizu | Nippon Steel | 1 |
| #5 | Saburo Kanai | Hitachi | 1 |
| #5 | Shigeo Matsuyama | Denso | 1 |
| #5 | Motoya Fujii | Mitsubishi Mining | 1 |
| #5 | Masaharu Tachimori | Nippon Steel | 1 |
| #5 | Haruo Ohguro | Nippon Steel | 1 |
| #5 | Youji Ao | Kawasaki | 1 |
| #5 | Ryuuzou Hanzawa | Nippon Steel | 1 |
| #5 | Tsutomu Fujii | Kawasaki | 1 |
| #5 | Ikuo Yoshida | Hitachi | 1 |
| #5 | Hikaru Sakamoto | Furukawa Denchi Kabushiki Kaisha | 1 |
| #5 | Yuuji Yoshimura | National Institute Of Advanced Industrial Science And Technology | 1 |