NK

Noriyuki Kumasaka

HI Hitachi: 2 patents #899 of 4,225Top 25%
📍 Wenatchee, WA: #6 of 37 inventorsTop 20%
🗺 Washington: #493 of 3,868 inventorsTop 15%
Overall (2003): #49,710 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6512655 Magnetic head with sealing glass composition Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Ken Takahashi, Kenkichi Inada 2003-01-28
6503858 Glass composition, structure, and apparatus using the same Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Ken Takahashi, Kenkichi Inada 2003-01-07