Assignee
Inventors
- Yasukazu Morito (1 patents)
- Yasuhiko Uehara (10 patents)
- Hidetsugu Matsukiya (1 patents)
- Hajime Yamamoto (229 patents)
- Shuji Inaho (2 patents)
- Takashi Hase (73 patents)
- Shinji Yokota (5 patents)
US Patent 4845403 · Granted Jul 4, 1989