MH

Mamoru Hirayama

NT NTT: 2 patents #2 of 198Top 2%
TC Tomoeagawa Paper Co.: 2 patents #1 of 18Top 6%
Overall (2005): #44,551 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6937808 Optical interconnection apparatus Ritsu Kawase, Kyoichi Sasaki, Masayoshi Suzuki, Tatsushi Kobayashi, Ryo Nagase 2005-08-30
6839475 Optical connection component Ritsu Kawase, Ken Sukegawa, Tatsushi Kobayashi, Koichi Arishima 2005-01-04