Assignee
Inventors
- Ikuo Sugiyama (5 patents)
- Kazuhisa Ishibashi (36 patents)
- Nobuyuki Takakusaki (12 patents)
- Yoshitsugu Maruhashi (36 patents)
- Yasushi Nishimura (45 patents)
- Hiroshi Koyama (137 patents)
- Setsuko Iida (7 patents)
- Koji Sato (375 patents)