Assignee
Inventors
- Hiroshi Masumoto (8 patents)
- Tsutomu Honda (38 patents)
- Nobuo Tachikawa (2 patents)
- Iwao Ohshima (18 patents)
- Takashi Ishitori (2 patents)
- Nobuhiko Tanaka (25 patents)
- Masaru Nakai (1 patents)
US Patent 5410574 · Granted Apr 25, 1995