Assignee
Inventors
- Hatsuo Nagaishi (79 patents)
- Yasuo Seimiya (4 patents)
- Hideyuki Tamura (31 patents)
- Hiromichi Miwa (16 patents)
- Hiroshi Sanbuichi (6 patents)
- Masaaki Uchida (71 patents)
- Toshio Takahata (14 patents)
US Patent 4873641 · Granted Oct 10, 1989