Assignee
Inventors
- Norimasa Baba (16 patents)
- Ken Yamamoto (101 patents)
- Michiyasu Yamamoto (28 patents)
- Yasushi Yamanaka (91 patents)
- Hiroki Matsuo (22 patents)
- Haruhiko Otsuka (7 patents)
- Unknown
- Kiyoshi Kittaka (6 patents)
US Patent 5582027 · Granted Dec 10, 1996