Assignee
Inventors
- Takashi Nakata (32 patents)
- Shunichi Higashiyama (103 patents)
- Takashi Tomizawa (24 patents)
- Satoru Kuwabara (11 patents)
- Jun Sakai (110 patents)
- Mitsuru Ohta (41 patents)
- Hiroshi Kawahara (65 patents)
- Keiko Suzuki (36 patents)
US Patent 5081484 · Granted Jan 14, 1992