Assignee
Inventors
- Yoshitaka Araki (28 patents)
- Takashi Ishikawa (1 patents)
- Unknown
- Akio Tsuboi (10 patents)
- Yoshiaki Nanba (3 patents)
- Takeshi Okano (29 patents)
- Takayuki Aoshima (35 patents)
- Shinji Iwade (4 patents)
US Patent 5750816 · Granted May 12, 1998