SS

Susumu Sigemasa

TC Toyo Kohan Co.: 2 patents #4 of 38Top 15%
Overall (2003): #41,455 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6617776 Color picture tube shadow mask material Tsuneyuki Ide, Takahiko MIYAZAKI, Yasuo Tahara, Hironao Okayama 2003-09-09
6583545 Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube Tsuneyuki Ide, Hironao Okayama, Yasuo Tahara 2003-06-24