Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Shoichi Saito Olympus Optical Co. 5
2 Takao Koyama Mitsubishi Pencil Company, Limited 3
3 Hatsuo Sakurazawa Fuji Manufacturing Co. 2
3 Yoshihisa Suda Mitsubishi Pencil Company, Limited 2
#5 Tatsuhara Ida Yoshino Kogyosho Co. 1
#5 Katsunori Kitazawa Mitsubishi Pencil Company, Limited 1
#5 Hiroyuki Imaizumi Mitsubishi Engineering-Plastics 1
#5 Norio Kitano Sanden 1
#5 Isamu Fukai Sanden 1
#5 Tatsuharu Ida Yoshino Kogyosho Co. 1
#5 Fumio Yoshii Japan Atomic Energy Research Institute 1
#5 Yoshiomi Konose Mitsubishi Pencil Company, Limited 1
#5 Kiyoshi Fujisawa Mitsubishi Pencil Company, Limited 1
#5 Masaaki Hoshiba Mitsubishi Pencil Company, Limited 1