Assignee
Inventors
- Masaru Murakami (30 patents)
- Yozo Oguri (4 patents)
- Yoshihiro Ashi (89 patents)
- Katsuyoshi Tanaka (11 patents)
- Takahiko Kozaki (52 patents)
- Akihiko Takase (64 patents)
- Morihito Miyagi (18 patents)
US Patent 5768274 · Granted Jun 16, 1998