Assignee
Inventors
- Hidekazu Takeda (28 patents)
- Masao Iwakura (17 patents)
- Nobuo Masuoka (129 patents)
- Tetsuo Itou (9 patents)
- Ikuo Nishida (35 patents)
- Yoshiharu Yamashita (26 patents)
- Motonori Ohmori (4 patents)
- Koji Iyota (4 patents)
US Patent 5315460 · Granted May 24, 1994