Assignee
Inventors
- Takao Horiya (4 patents)
- Shigeru Ohkita (4 patents)
- Toshiaki Nishida (8 patents)
- Hirofumi Yoshimura (32 patents)
- Naoomi Yamada (2 patents)
- Masayuki Yamamoto (300 patents)
- Hideo Nakajima (36 patents)
- Toshinari Andou (1 patents)
US Patent 5514332 · Granted May 7, 1996