Assignee
Inventors
- Hiroshi Nakamura (723 patents)
- Masaki Murakami (21 patents)
- Kouji Takeda (7 patents)
- Yoshimasa Tanaka (54 patents)
- Hirofumi Imaoka (6 patents)
- Mikio Naoi (2 patents)
- Takayuki Nakashima (13 patents)
US Patent 4733455 · Granted Mar 29, 1988