Assignee
Inventors
- Yasuhiro Yamaji (16 patents)
- Yoichi Hiruta (19 patents)
- Tsutomu Nakazawa (17 patents)
- Katsuto Katoh (2 patents)
- Yoshihiro Atsumi (5 patents)
- Naohiko Hirano (29 patents)
- Akihiro Mase (1 patents)
US Patent 5401688 · Granted Mar 28, 1995