Assignee
Inventors
- Masaaki Matsuo (38 patents)
- Takashi Manabe (14 patents)
- Nobukiyo Konishi (18 patents)
- Kazuhiko Take (13 patents)
- Norihiro Igari (3 patents)
- Shinji Shigenaga (13 patents)
- Hiroshi Matsuda (21 patents)
- Tadashi Terasaka (12 patents)
US Patent 6087357 · Granted Jul 11, 2000