KO

Katsuhiko Ogawa

NT NTT: 1 patents #53 of 275Top 20%
Overall (2002): #179,058 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6438233 Book data service system with data delivery by broadcasting Toshiya Yoshimune, Yoko Asano, Kaori Ueno, Masayoshi Minei, Syuichi Kato +2 more 2002-08-20