Top Inventors at Hamanakodenso Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Takao Ishida | 8 |
| 2 | Tomoaki Warashina | 6 |
| 3 | Masashi Sugano | 5 |
| #4 | Tetsunori Inoguchi | 5 |
| #5 | Hideya TOCHIHARA | 4 |
| #6 | Kengo Suzuki | 3 |
| #7 | Kimio Uchida | 3 |
| #8 | Fumiaki Kaneko | 2 |
| #9 | Koji Suzuki | 2 |
| #10 | Masahiro Hisada | 2 |
| #11 | Masanori Suzuki | 2 |
| #12 | Motoyoshi Ando | 2 |
| #13 | Yuuichirou Miura | 2 |
| #14 | Yutaka Sato | 2 |
| #15 | Chiaki KURITA | 1 |
| #16 | Hirofumi Onodera | 1 |
| #17 | Junichiro Itou | 1 |
| #18 | Junichi Nakahira | 1 |
| #19 | Keijirou Hanada | 1 |
| #20 | Keita OKADA | 1 |
| #21 | Kosuke SHIRAI | 1 |
| #22 | Kousuke Shirai | 1 |
| #23 | Masahiro Sato | 1 |
| #24 | Masahiro Tomita | 1 |
| #25 | Ryo Asaka | 1 |
| #26 | Sadayuki Tsuda | 1 |
| #27 | Shoji Isogai | 1 |
| #28 | Shuhei Oe | 1 |
| #29 | Shinji Sugihara | 1 |
| #30 | Shota TODA | 1 |
| #31 | Tatsuya Kawai | 1 |
| #32 | Toshiaki Nakayama | 1 |
| #33 | Yasunari Fujita | 1 |
| #34 | Yasunori Kobayashi | 1 |
| #35 | Yoshihiko FUJISAKI | 1 |
| #36 | Younan Ri | 1 |
| #37 | Yoshinori Suzuki | 1 |
| #38 | Yoshifumi Teramoto | 1 |
| #39 | Yuichiro Kawamura | 1 |
| #40 | Yuuya Maebashi | 1 |
| #41 | Yuichiro Miura | 1 |
| #42 | Atsushi Furumoto | 1 |