Assignee
Inventors
- Takashi Fujikawa (41 patents)
- Yoshiharu Kataoka (46 patents)
- Masaya Okamoto (118 patents)
- Mikio Katayama (81 patents)
- Katsumi Irie (11 patents)
- Yuzuru Kanemori (32 patents)
- Akihiro Yamamoto (169 patents)
US Patent 5995178 · Granted Nov 30, 1999