Assignee
Inventors
- Toshihiko Takishita (14 patents)
- Shinichi Hanzawa (7 patents)
- Shigenori Murakami (10 patents)
- Atsushi Kondo (50 patents)
- Ayumi Mitsumori (7 patents)
- Miki Kusama (1 patents)
- Makoto Matsukawa (5 patents)
US Patent 6169721 · Granted Jan 2, 2001