TM

Takeshi Matsumura

Sumitomo Electric Industries: 5 patents #95 of 3,352Top 3%
PA Panasonic: 1 patents #77 of 397Top 20%
📍 Numazu, MO: #1 of 1 inventorsTop 100%
Overall (2002): #4,987 of 266,432Top 2%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6476553 Flourescent discharge tube with amalgam positioning requirements and bulb-shaped fluorescent lamp using the same Shiro Iida 2002-11-05
6469427 Lamp having improved electrical connection Kenji Itaya, Shiro Iida 2002-10-22
6456001 Fluorescent lamp having V-shaped grooves for guiding lead wire Shiro Iida, Kenji Itaya, Tetsuya Tahara 2002-09-24
6431725 Bulb-shaped fluorescent lamp Shiro Iida, Kenji Itaya, Nobuharu Hata 2002-08-13
6367947 Fluorescent lamp having excellent light distribution and high impact-resistance Kenji Itaya, Shiro Iida, Nobuharu Hata 2002-04-09
6369504 Low pressure mercury vapor discharge lamp Kenji Itaya 2002-04-09