Assignee
Inventors
- Norihide Sugiyama (27 patents)
- Atsushi Watakabe (37 patents)
- Shunsuke Yokotsuka (11 patents)
- Atsuo Hiroi (5 patents)
- Masaki Naritomi (7 patents)
- Naoko Shirota (22 patents)
- Ko Aosaki (41 patents)
- Masaru Nakamura (197 patents)
US Patent 5498657 · Granted Mar 12, 1996