Assignee
Inventors
- Yoshiro Maki (6 patents)
- Toshiko Nakagawa (10 patents)
- Yoshiaki Furukawa (4 patents)
- Minoru Outani (2 patents)
- Takashi Haruta (5 patents)
- Maki Yamanami (3 patents)
- Sachiko Nakamura (6 patents)
US Patent 5496590 · Granted Mar 5, 1996