Assignee
Inventors
- Seiji Nishikawa (9 patents)
- Tohru Tanaka (69 patents)
- Tomomi Kaminaga (1 patents)
- Kikuo Watanabe (16 patents)
- Nobuya Miyachi (1 patents)
- Keitaro Watanabe (4 patents)
- Yasushi Hotta (15 patents)
US Patent 6342377 · Granted Jan 29, 2002