Top Inventors at Hokusan Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Ito | 5 |
| 2 | Noriko Tabayashi | 4 |
| 3 | Takeshi Matsumura | 4 |
| #4 | Toru Gotanda | 4 |
| #5 | Uiko Kagaya | 3 |
| #6 | Yoshio Murai | 3 |
| #7 | Daisuke Awakura | 2 |
| #8 | Emiko Isogai | 2 |
| #9 | Kazuyoshi Masuda | 2 |
| #10 | Kazuaki Takehara | 2 |
| #11 | Kiyoshi Kimura | 2 |
| #12 | Ko Sato | 2 |
| #13 | Kuniaki Yoshioka | 2 |
| #14 | Noriko Itchoda | 2 |
| #15 | Nobutoshi Maehara | 2 |
| #16 | Chihiro Sugimoto | 1 |
| #17 | Eiji Takita | 1 |
| #18 | Hanae Sasaki | 1 |
| #19 | Hiromi Ikadai | 1 |
| #20 | Hiroshi Mitsumata | 1 |
| #21 | Hiroko Miyashiro | 1 |
| #22 | Kazutoshi Sawada | 1 |
| #23 | Rie Yasuno | 1 |
| #24 | Susumu Okamoto | 1 |
| #25 | Takashi Aoki | 1 |
| #26 | Takeshi Matsui | 1 |