Assignee
Inventors
- Hironobu Yao (15 patents)
- Hiroyuki Yoshimura (39 patents)
- Masato Takahashi (94 patents)
- Michihiko Tsuruoka (15 patents)
- Iwao Matsumoto (14 patents)
- Masakazu Kawakami (1 patents)
- Keita Okawa (1 patents)
US Patent 5728952 · Granted Mar 17, 1998