Assignee
Inventors
- Katsumasa Harada (40 patents)
- Takaaki Abe (16 patents)
- Yuji Akiyoshi (7 patents)
- Akio Matsushita (15 patents)
- Mikio Kojima (10 patents)
- Ikuo Shiraishi (7 patents)
- Kaoru Yamamoto (193 patents)
- Takashi Hayama (21 patents)
US Patent 5529977 · Granted Jun 25, 1996