Assignee
Inventors
- Kazutoh Takesako (34 patents)
- Katsushige Ikai (34 patents)
- Kazuo Shimanaka (11 patents)
- Junko Yamamoto (11 patents)
- Fumiyo Haruna (4 patents)
- Teruya Nakamura (25 patents)
- Hideyo Yamaguchi (10 patents)
- Katsuhisa Uchida (4 patents)
US Patent 5158876 · Granted Oct 27, 1992