Assignee
Inventors
- Yoshihiro Maki (7 patents)
- Akira Matsuyama (2 patents)
- Katsuji Tanizaki (2 patents)
- Noboru Okabe (5 patents)
- Katsuhiro Kishida (3 patents)
- Takeshi Sakai (115 patents)
- Toshinaga Ohgaki (2 patents)
- Masahito Fujita (34 patents)
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Skip to contentUS Patent 4857267 · Granted Aug 15, 1989