Top Inventors at Maruzen Sewing Machine Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshihide Yoneda | 14 |
| 2 | Yoshio Mikuni | 7 |
| 3 | Ichirou Shibayama | 6 |
| #4 | Osamu Koshinaka | 5 |
| #5 | Kimikazu Matsuda | 4 |
| #6 | Tetsuya Aono | 4 |
| #7 | Nobuyoshi Matsumura | 2 |
| #8 | Nobuyoshi Matumura | 2 |
| #9 | Osamu Tanaka | 2 |
| #10 | Tadao Kohara | 2 |
| #11 | Yoshikazu Suzuki | 2 |
| #12 | Hiroshi Tano | 1 |
| #13 | Mitsuo Nishina | 1 |
| #14 | Mitsuru Oomura | 1 |
| #15 | Kotohiko Tukioka | 1 |