Assignee
Inventors
- Takao Honda (16 patents)
- Tsuyoshi Watanabe (181 patents)
- Tadashi Ishikawa (76 patents)
- Masanori Muramatsu (14 patents)
- Isamu Sato (84 patents)
- Makoto Yanagida (15 patents)
- Fumihiro Arahira (15 patents)
- Takeo Yamamoto (51 patents)
US Patent 5636009 · Granted Jun 3, 1997