Assignee
Inventors
- Makoto Yoshida (7 patents)
- Shin-ichi Sasaki (2 patents)
- Shigeru Aono (3 patents)
- Shigeki Fujiwara (10 patents)
- Haruki Takai (19 patents)
- Tsuyoshi Yamagata (5 patents)
- Ken Nagashima (2 patents)
- Akira Karasawa (33 patents)
US Patent 5726325 · Granted Mar 10, 1998