Assignee
Inventors
- Hirofumi Watanabe (119 patents)
- Tetsuro Mizuki (13 patents)
- Mitsuhiro Watanabe (97 patents)
- Yuji Yoda (10 patents)
- Hitoshi Yokouchi (9 patents)
- Manabu Nakajima (5 patents)
- Daisaku Matsuo (3 patents)
US Patent 5913563 · Granted Jun 22, 1999