Assignee
Inventors
- Masaru Shimizu (34 patents)
- Masaharu Hayashi (60 patents)
- Mitsuo Kikkawa (9 patents)
- Shoichi Doi (10 patents)
- Yoshifumi Yamada (11 patents)
- Shinichiro Tanaka (69 patents)
- Ichiro Hosotani (5 patents)
US Patent 5435284 · Granted Jul 25, 1995