Assignee
Inventors
- Yasuyuki Nakajima (11 patents)
- Hisayuki Watanabe (13 patents)
- Michiaki Adachi (4 patents)
- Michito Tagawa (14 patents)
- Mitsugu Futagawa (2 patents)
- Takashi Furusato (6 patents)
- Hiroshi Ohya (2 patents)
- Masanori Nishioka (6 patents)
US Patent 5741814 · Granted Apr 21, 1998