Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Yuji Katsuda Ngk Insulators 5
2 Koji Yoshikawa Aisan Kogyo Kabushiki Kaisha 2
3 Takeaki Morizono Aisan Kogyo Kabushiki Kaisha 1
3 Masaru Yagi Kitagawa Industries Co. 1