Top Inventors at Itoh Denki Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazuo Itoh | 39 |
| 2 | Tatsuhiko Nakamura | 21 |
| 3 | Toshiyuki Tachibana | 14 |
| #4 | Yoshiyuki Kujihashi | 5 |
| #5 | Yoshinori Nagai | 5 |
| #6 | Makoto Mitsuyoshi | 4 |
| #7 | Hideo Naiki | 3 |
| #8 | Jun Maekawa | 3 |
| #9 | Kazuwo Miki | 3 |
| #10 | Koji Ueda | 3 |
| #11 | Masayuki Shimoda | 3 |
| #12 | Masaki Tanaka | 3 |
| #13 | Mitsuo Inoue | 3 |
| #14 | Kosuke Toda | 2 |
| #15 | Shigeki Fukata | 2 |
| #16 | Shinji Sayama | 2 |
| #17 | Takahiro Itoh | 2 |
| #18 | Takuya Nagasawa | 2 |
| #19 | Tomonobu Hasegawa | 2 |
| #20 | Akira TAKANAGA | 2 |
| #21 | Hirotaka Yamakaze | 1 |
| #22 | Kazushi MAEDA | 1 |
| #23 | Kazuo Miki | 1 |
| #24 | Kentarou Iwasawa | 1 |
| #25 | Koji Takahashi | 1 |
| #26 | Masaki Ikeda | 1 |
| #27 | Masayuki Toma | 1 |
| #28 | Michiyuki Yamanaka | 1 |
| #29 | Nozomu Araki | 1 |
| #30 | Takenobu Nakashima | 1 |
| #31 | Tetsuya Itoh | 1 |
| #32 | Toshimasa Enoki | 1 |
| #33 | Tomoya MATOBA | 1 |
| #34 | Tomohiro TAKAMI | 1 |
| #35 | Tomoya Takeuchi | 1 |
| #36 | Yoshio Inoue | 1 |
| #37 | Yoichi Morimoto | 1 |
| #38 | Yoshikazu Nishida | 1 |