Assignee
Inventors
- Hiromi Watanabe (27 patents)
- Takashi Nakamoto (14 patents)
- Hiroshi Hatae (6 patents)
- Junko Haruta (1 patents)
- Masaru Hase (13 patents)
- Kenichi Iwata (47 patents)
- Hiroshi Yamada (563 patents)
- Yutaka Okada (27 patents)
US Patent 6889274 · Granted May 3, 2005