Assignee
Inventors
- Masanori Tanabe (17 patents)
- Satoshi Shimada (145 patents)
- Akio Yasukawa (25 patents)
- Hideyuki Nemoto (4 patents)
- Motohisa Nishihara (18 patents)
- Masatoshi Tsuchiya (12 patents)
- Ko Soeno (9 patents)
US Patent 4319397 · Granted Mar 16, 1982