NH

Naofumi Hirayama

Pioneer: 4 patents #451 of 1,730Top 30%
PD Pioneer Design: 3 patents #2 of 24Top 9%
Overall (All Time): #1,243,965 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7751970 Information providing apparatus, information providing method, and computer product Takeshi Igarashi, Mineki Miyasaka, Yohei Nakajima 2010-07-06
6882326 Portable information terminal Daisuke Suma, Mizuki Tomono, Tatsufumi Funayama 2005-04-19
6876871 Portable information terminal Mizuki Tomono, Yoshinori Nakatsuka, Mikiko Arakawa, Katsumi Kobayashi 2005-04-05
6807276 Portable telephone Mizuki Tomono, Yoshinori Nakatsuka, Mikiko Arakawa, Katsumi Kobayashi 2004-10-19