Assignee
Inventors
- Michio Tanaka (67 patents)
- Koji Kawai (97 patents)
- Hiroyoshi Tarumoto (1 patents)
- Hisaya Miki (9 patents)
- Keiki Kishikawa (3 patents)
- Masato Kawamura (19 patents)
- Masatoshi Nitabaru (16 patents)
- Terunori Fujita (56 patents)
US Patent 5210065 · Granted May 11, 1993