Assignee
Inventors
- Takafumi Hasegawa (7 patents)
- Ko Aosaki (41 patents)
- Fumiko Nonaka (1 patents)
- Norihide Sugiyama (27 patents)
- Aya Yamaguti (1 patents)
- Hiroyuki Watanabe (516 patents)
- Masaru Nakamura (197 patents)
US Patent 5449558 · Granted Sep 12, 1995