Assignee
Inventors
- Toshiyuki Kajiwara (44 patents)
- Tokuji Sugiyama (6 patents)
- Yoshio Takakura (26 patents)
- Takao Sakanaka (8 patents)
- Yasutsugu Yoshimura (29 patents)
- Ken Yasuda (17 patents)
- Shinichi Kaga (28 patents)
US Patent 5666837 · Granted Sep 16, 1997