Top Inventors at Shinwa All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hisashi Ogawa | 7 |
| 2 | Kazunobu Yamamoto | 4 |
| 3 | Kyohei Naito | 2 |
| #4 | Mitsuhiro Shimozaki | 2 |
| #5 | Sumiyoshi Kato | 2 |
| #6 | Tamotsu Tamura | 2 |
| #7 | Hiroyuki Fujita | 1 |
| #8 | Hideo Horiguchi | 1 |
| #9 | Hiroshi Kimura | 1 |
| #10 | Hiroshi Nakagawa | 1 |
| #11 | Katsuya Kikuchi | 1 |
| #12 | Katsushi Kobayashi | 1 |
| #13 | Kazuhiko Tokoro | 1 |
| #14 | Kenichi Kobayashi | 1 |
| #15 | Masahiro Aoyagi | 1 |
| #16 | Sadaji Murakami | 1 |
| #17 | Shinichi Suzuki | 1 |
| #18 | Takeshi Izumitani | 1 |
| #19 | Yoshihisa Inoue | 1 |
| #20 | Yoshikuni Okada | 1 |
| #21 | Yutaka Saito | 1 |
| #22 | Teruo Mitsuta | 1 |
| #23 | Chogoroh Ohotani | 1 |