Assignee
Inventors
- Nobuaki Takeuchi (22 patents)
- Yoshiki Yanagisawa (13 patents)
- Jun Kikuchi (66 patents)
- Yoshio Endou (10 patents)
- Mitsuru Shinagawa (48 patents)
- Tadao Nagatsuma (42 patents)
- Junzo Yamada (29 patents)
US Patent 6087838 · Granted Jul 11, 2000