Assignee
Inventors
- Tomohiko Akagawa (20 patents)
- Ikunori Sakai (21 patents)
- Saburo Hinenoya (7 patents)
- Yasuo Kita (39 patents)
- Kaoru Inoue (129 patents)
- Takeyoshi Nishio (42 patents)
- Takao Nomura (58 patents)
US Patent 5883174 · Granted Mar 16, 1999