Assignee
Inventors
- Nobuto Minowa (26 patents)
- Tomoya Machinami (9 patents)
- Takashi Shomura (19 patents)
- Masaji Sezaki (18 patents)
- Toru Sasaki (11 patents)
- Seiji Shibahara (43 patents)
- Shigeharu Inouye (40 patents)
US Patent 5194617 · Granted Mar 16, 1993