Assignee
Inventors
- Kinya Kato (92 patents)
- Yasutsugu Yamada (11 patents)
- Etsuko Sugawa (40 patents)
- Masanori Sakuranaga (23 patents)
- Akira Kuriyama (87 patents)
- Takeshi Imamura (180 patents)
- Yuji Kawabata (14 patents)
US Patent 6616815 · Granted Sep 9, 2003