Top Inventors at Ngk Adrec Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Osamu Yamakawa | 8 |
| 2 | Tsuneo Komiyama | 6 |
| 3 | Tetsuhiro Honjo | 4 |
| #4 | Toshiharu Kinoshita | 4 |
| #5 | Hiroaki Nihonmatsu | 3 |
| #6 | Akito Higuchi | 3 |
| #7 | Hiroshi Shirakawa | 2 |
| #8 | Iori Himoto | 2 |
| #9 | Shinichi Miwa | 2 |
| #10 | Atsushi Watanabe | 1 |
| #11 | Jun Kariya | 1 |
| #12 | Kiminori Atsumi | 1 |
| #13 | Masashi Morisasa | 1 |
| #14 | Naoshi Masukawa | 1 |
| #15 | Nobuhiro Matsumoto | 1 |
| #16 | Seiichi Hori | 1 |
| #17 | Shuichi Ichikawa | 1 |
| #18 | Shigeru Ogura | 1 |
| #19 | Takashi Sugiyama | 1 |
| #20 | Yukitaka Kato | 1 |
| #21 | Akira Sumiya | 1 |