Assignee
Inventors
- Jun Yamakoshi (6 patents)
- Toshiaki Ariga (8 patents)
- Hiroharu Ishikawa (3 patents)
- Yukihiko Iwai (4 patents)
- Tatuo Manaka (4 patents)
- Shigehiro Kataoka (30 patents)
- Katsumi Yuasa (9 patents)
- Mamoru Kikuchi (9 patents)
US Patent 5804597 · Granted Sep 8, 1998