Assignee
Inventors
- Takeo Nakagawa (34 patents)
- Kiyoshi Suzuki (116 patents)
- Tetsutaro Uematsu (2 patents)
- Norihiko Shimizu (7 patents)
- Sakae Hatano (5 patents)
- Munetada Kurita (1 patents)
- Kanji Sato (15 patents)
- Yoshiharu Takada (25 patents)
US Patent 5045664 · Granted Sep 3, 1991