Assignee
Inventors
- Takao Kijima (22 patents)
- Shin Takehara (49 patents)
- Shigerumi Hirabayashi (2 patents)
- Tomoko Nagata (2 patents)
- Hiroshi Ohmura (159 patents)
- Tetsuya Tachihata (8 patents)
- Kiyoshi Sakamoto (46 patents)
- Tomoji Izumi (19 patents)
US Patent 6230084 · Granted May 8, 2001