Assignee
Inventors
- Takashi Ebata (17 patents)
- Katsuya Matsumoto (21 patents)
- Koshi Koseki (14 patents)
- Hiroshi Kawakami (31 patents)
- Hajime Matsushita (48 patents)
- Hajime Yoshikoshi (1 patents)
- Masakazu Okaniwa (1 patents)
US Patent 5468881 · Granted Nov 21, 1995