Assignee
Inventors
- Michiaki Adachi (21 patents)
- Nobuo Kishi (3 patents)
- Yasunori Aihara (10 patents)
- Tatsushi Ogawa (14 patents)
- Makoto Kosuge (11 patents)
- Motomitsu Hagiwara (1 patents)
- Mitsugu Takezaki (11 patents)
- Yasuhiro Naito (5 patents)
US Patent 5878936 · Granted Mar 9, 1999