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Tetsuji Takeuchi

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
Overall (All Time): #881,741 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6459197 Fluorescent lamp and luminaire with improved illumination light in a low color temperature region Toshio Mori, Hiromi Tanaka, Toru Higashi, Kenji Mukai 2002-10-01
6445119 Combined light emitting discharge lamp and luminaire using such lamp Toshio Mori, Hiromi Tanaka, Kenji Mukai, Toru Higashi, Haruo Shibata +2 more 2002-09-03
6376988 Discharge lamp for automobile headlight and the automobile headlight Kenji Mukai, Hideaki Kiryu, Takeshi Saitoh 2002-04-23
6224240 Light source Masanori Shimizu, Yasuhiko Yamanaka, Syouetsu Sakamoto 2001-05-01
6153971 Light source with only two major light emitting bands Masanori Shimizu, Yasuhiko Yamanaka, Syouetsu Sakamoto 2000-11-28
5406305 Display device Youko Shimomura, Teruaki Shigeta 1995-04-11