Assignee
Inventors
- Mitsuo Tabata (19 patents)
- Toru Tojo (47 patents)
- Kiminobu Akeno (12 patents)
- Toshiyuki Watanabe (157 patents)
- Tomohide Watanabe (7 patents)
- Eiji Yamanaka (28 patents)
- Chikara Itoh (3 patents)
- Makoto Taya (5 patents)
US Patent 5602645 · Granted Feb 11, 1997