Assignee
Inventors
- Hiroto Yasumura (15 patents)
- Masahide Hirasawa (76 patents)
- Minoru Noji (17 patents)
- Susumu Kozuki (83 patents)
- Koji Takahashi (533 patents)
- Katsuji Yoshimura (72 patents)
- Tomohiko Sasatani (20 patents)
US Patent 5159462 · Granted Oct 27, 1992