Assignee
Inventors
- Yasushi Fukui (17 patents)
- Masanori Matsuno (14 patents)
- Hiroshi Tanaka (842 patents)
- Tadaaki MIONO (10 patents)
- Kazushi Sakamoto (12 patents)
- Yasumi Ariyoshi (3 patents)
- Minoru Saito (78 patents)
US Patent 5648177 · Granted Jul 15, 1997