Assignee
Inventors
- Hirayoshi Tanei (15 patents)
- Tsuyoshi Fujita (36 patents)
- Masato Kirigaya (2 patents)
- Yasuo Akutsu (5 patents)
- Kaoru Uchiyama (60 patents)
- Hiroshi Soma (15 patents)
- Hiroatsu Tokuda (26 patents)
US Patent 6815073 · Granted Nov 9, 2004