Assignee
Inventors
- Kenji Wakatsuru (5 patents)
- Takehiko Kawate (1 patents)
- Shigemi Shiraki (10 patents)
- Toshihiro Sagane (33 patents)
- Shuji Minami (12 patents)
- Masayuki Okabe (12 patents)
- Ryosuke Tomita (3 patents)
- Hideaki Yamaguchi (49 patents)
US Patent 5272235 · Granted Dec 21, 1993