Top Inventors at Narumi China All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Susumu Nishigaki | 11 |
| 2 | Shinsuke Yano | 9 |
| 3 | Junzo Fukuda | 6 |
| #4 | Hiroshi Kato | 4 |
| #5 | Masashi Fukaya | 3 |
| #6 | Hiroshi Kawabe | 2 |
| #7 | Hiroshi Ohtani | 2 |
| #8 | Hisashi Sakuramoto | 2 |
| #9 | Katsuhiko Kita | 2 |
| #10 | Kanji Murano | 2 |
| #11 | Katsushi Sugita | 2 |
| #12 | Kohichi Uno | 2 |
| #13 | Satoshi Nishiyama | 2 |
| #14 | Shusei Kuratani | 2 |
| #15 | Shirohito Matsuyama | 2 |
| #16 | Shinya Mizuno | 2 |
| #17 | Tohru Fuwa | 2 |
| #18 | Toshio Nonomura | 2 |
| #19 | Hidemasa Ohmura | 1 |
| #20 | Hitoshi Yamada | 1 |
| #21 | Kazutoyo Shimizu | 1 |
| #22 | Katsuhiro Suzuki | 1 |
| #23 | Kazunari Tanaka | 1 |
| #24 | Ken Kinoshita | 1 |
| #25 | Koichi Ito | 1 |
| #26 | Koichi Kumazawa | 1 |
| #27 | Kouichi Tatsuki | 1 |
| #28 | Koichi Uno | 1 |
| #29 | Kuniharu Noda | 1 |
| #30 | Masaru Kinoshita | 1 |
| #31 | Masato Suzuki | 1 |
| #32 | Naoyuki Okamoto | 1 |
| #33 | Osamu Nakagawa | 1 |
| #34 | Rikiya Kamimura | 1 |
| #35 | Shinzo Anazawa | 1 |
| #36 | Shiro Kawahito | 1 |
| #37 | Shinichi Murakami | 1 |
| #38 | Susamu Nishigaki | 1 |
| #39 | Takeya Sakai | 1 |
| #40 | Teruo Yamaguchi | 1 |
| #41 | Toru Fukuhara | 1 |
| #42 | Toshio Kuroda | 1 |
| #43 | Yasuyuki Fujimoto | 1 |
| #44 | Yasuyuki Tokunaga | 1 |
| #45 | Syozo Ohtomo | 1 |