Assignee
Inventors
- Isshin Miyamoto (14 patents)
- Yasuo Nagamatsu (11 patents)
- Yasuhiko Tanaka (86 patents)
- Masaharu Sakamoto (100 patents)
- Masataka Hidaka (13 patents)
- Hideaki Sakamoto (31 patents)
- Kazuo Ishida (51 patents)
US Patent D303173 · Granted Aug 29, 1989