Top Inventors at Ansei All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masaharu Takagi | 10 |
| 2 | Satoshi Yamaji | 8 |
| 3 | Koji Ishii | 5 |
| #4 | Satoshi Umezu | 4 |
| #5 | Hiroki Uehara | 3 |
| #6 | Masaaki Noda | 3 |
| #7 | Hiroshi Kawai | 2 |
| #8 | Masatoshi Sakaguchi | 2 |
| #9 | Toshiaki Uchikata | 2 |
| #10 | Yasunori Sahashi | 2 |
| #11 | Hidenobu Hayashi | 1 |
| #12 | Masato Fukaya | 1 |
| #13 | Masaya Okuyama | 1 |
| #14 | Shigeru Takeuchi | 1 |
| #15 | Yasuhiro Hashiba | 1 |
| #16 | Yukio Iwase | 1 |