Assignee
Inventors
- Susumu Nakatsukasa (2 patents)
- Yoshifumi Mukai (1 patents)
- Hiroaki Kondo (33 patents)
- Naoki Takeuchi (41 patents)
- Masanobu Kurumaji (14 patents)
- Hiroshi Ueda (445 patents)
- Tsutomu Sano (17 patents)
US Patent 4747982 · Granted May 31, 1988