Assignee
Inventors
- Yukihiro Yoshida (34 patents)
- Satoshi Ueda (165 patents)
- Makoto Itoh (13 patents)
- Mitsuo Yoshikawa (1 patents)
- Shigeki Hamashima (5 patents)
- Hiroyuki Tsuchida (15 patents)
- Koji Hirota (19 patents)
US Patent 5317157 · Granted May 31, 1994