Assignee
Inventors
- Hiroaki Sano (109 patents)
- Takashi Yasukuni (2 patents)
- Masaaki Ohata (1 patents)
- Kiyotaka Nagai (19 patents)
- Hiroshi Matsuura (61 patents)
- Kunio Koshiishi (1 patents)
- Yasuyoshi Hirama (1 patents)
- Kyozaburo Ogawa (1 patents)
US Patent 5388630 · Granted Feb 14, 1995