Assignee
Inventors
- Syuji Okumura (1 patents)
- Shigetoshi Awano (1 patents)
- Masahiro Kinoshita (74 patents)
- Kazuo Tamemoto (2 patents)
- Akihiro Maruyama (41 patents)
- Takumi Ishiwaka (9 patents)
- Takashi Ohashi (71 patents)
US Patent 5137931 · Granted Aug 11, 1992