Top Inventors at Obara All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigeru Umeda | 11 |
| 2 | Toshihiro Nishiwaki | 11 |
| 3 | Yoshio Sato | 8 |
| #4 | Tatsuo Morita | 6 |
| #5 | Kenji Hayafuji | 4 |
| #6 | Takehiro Izumi | 4 |
| #7 | Teruzo Yamaguchi | 4 |
| #8 | Hiroshi Obara | 3 |
| #9 | Katuji Tanabe | 3 |
| #10 | Tsuyoshi Takatori | 3 |
| #11 | Arinobu Mori | 3 |
| #12 | Daisuke Higuchi | 2 |
| #13 | Kenta Aoki | 2 |
| #14 | Masaki Kumagai | 2 |
| #15 | Shinichi Kurihara | 2 |
| #16 | Takashi Kanno | 2 |
| #17 | Tsuneaki Sudo | 2 |
| #18 | Yasuhiro Obara | 2 |
| #19 | Atsuhisa Kawai | 1 |
| #20 | Hideki Okada | 1 |
| #21 | Hiroshi Sugawara | 1 |
| #22 | Jun Saito | 1 |
| #23 | Kazuharu Fujii | 1 |
| #24 | Masayuki Fujiwara | 1 |
| #25 | Masahiro Kimura | 1 |
| #26 | Motohisa SUZUKI | 1 |
| #27 | Shozo Yamaguchi | 1 |
| #28 | Tadao Sakamoto | 1 |
| #29 | Tetsuya Kojima | 1 |
| #30 | Tsubasa Mochizuki | 1 |
| #31 | Yoshinori Ando | 1 |
| #32 | Yoshiyuki Sasaki | 1 |
| #33 | Yoshihiro Sato | 1 |
| #34 | Yuzo Kono | 1 |
| #35 | Akihiro Kaburagi | 1 |