HD

Hiroshi Deguchi

Ricoh Company: 2 patents #462 of 1,683Top 30%
KT Kabushiki Kaisha Toshiba: 1 patents #1,082 of 2,818Top 40%
Overall (2011): #48,008 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8075974 Optical recording medium Eiko Hibino, Hiroko Ohkura, Kazunori Ito, Hajime Yuzurihara, Hiroyuki Iwasa 2011-12-13
8017209 Optical recording medium Hiroko Ohkura, Eiko Hibino, Kazunori Ito 2011-09-13
8008978 Oscillator circuit and memory system 2011-08-30