Top Inventors at Maruzen Oil Co. All Time
Showing 1–32 of 32 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Fujiwara | 4 |
| 2 | Hatsutaro Yamazaki | 3 |
| 2 | Kazuya Nakamichi | 3 |
| 2 | Tadashi Matsumoto | 3 |
| 2 | Takuma Sasaki | 3 |
| #6 | Kazuo Ozawa | 2 |
| #6 | Kiyoshi Minami | 2 |
| #6 | Masayuki Kashiki | 2 |
| #6 | Mitsuo Akutsu | 2 |
| #6 | Osamu Kuratani | 2 |
| #6 | Susumu Toba | 2 |
| #6 | Yasunori Hirose | 2 |
| #6 | Yakudo Tachibana | 2 |
| #14 | Hiroki Kamiyama | 1 |
| #14 | Kinya Tawara | 1 |
| #14 | Kohei KANDA | 1 |
| #14 | Kunio Arimoto | 1 |
| #14 | Masahisa Ishigami | 1 |
| #14 | Motonobu Minagawa | 1 |
| #14 | Motomobu Minagawa | 1 |
| #14 | Motoo Shigeyasu | 1 |
| #14 | Sanae Ueda | 1 |
| #14 | Shigenori Nakashizu | 1 |
| #14 | Takashi Hori | 1 |
| #14 | Takashi Kaneko | 1 |
| #14 | Takehiko Kitamura | 1 |
| #14 | Takeo Satake | 1 |
| #14 | Tadahiro Wakui | 1 |
| #14 | Yoshikazu Inoue | 1 |
| #14 | Yoshihiro Kojima | 1 |
| #14 | Yorishige Matsuba | 1 |
| #14 | Yusuke Tanaka | 1 |