Assignee
Inventors
- Hiroshi Hashimoto (338 patents)
- Masahiro Kanda (40 patents)
- Shigeru Muramatsu (131 patents)
- Naoto Obayashi (8 patents)
- Hironao Fujiki (88 patents)
- Shigeki Shudo (24 patents)
- Manabu Narumi (8 patents)
US Patent 5989704 · Granted Nov 23, 1999