Assignee
Inventors
- Takashi Sasaki (583 patents)
- Seiichi Yasumoto (13 patents)
- Kunio Ando (36 patents)
- Masaji Ishigaki (22 patents)
- Michitaka Ohsawa (42 patents)
- Takeo Masuda (6 patents)
- Keizo Suzuki (77 patents)
- Masatoshi Shiiki (35 patents)
US Patent 6417822 · Granted Jul 9, 2002